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Let me start with the number that stopped me.
Deepfake files surged from 500,000 in 2023 to 8 million by 2025. Fraud attempts using synthetic media increased by 2,137% over three years. In the first quarter of 2025 alone, there were 19% more deepfake incidents than in all of 2024 combined. One in every twenty identity verification failures is now linked to deepfakes.
And then there's the human detection rate. When shown a high-quality deepfake video, people correctly identify it just 24.5% of the time. In a 2025 study by iProov, only 0.1% of participants correctly identified all fake and real media presented to them.
Zero point one percent.
That figure should reframe every conversation about identity verification infrastructure we're having in 2026. The question is no longer whether humans can reliably detect synthetic fraud. We can't. The question is what the technical stack underneath identity claims needs to look like when the face you're seeing might be fabricated.
Gartner put it plainly: by 2026, 30% of enterprises will no longer consider standalone identity verification solutions to be reliable in isolation. That prediction is already directionally true. The verification model that served the previous decade show your face, prove your document, pass the check is broken at the foundation because the face is now falsifiable at scale.
The answer the industry keeps reaching for is detection better AI to catch deepfakes, liveness checks, motion analysis, injection attack prevention. These are necessary defenses, and I'm not dismissing them. But detection is reactive. It chases the current generation of fakes while the generation being trained today is already more convincing than the one being detected.
What I'm more interested in is the attestation layer underneath verification.
Sign Protocol's foundational document describes verifiable trust as a system that ensures soundness and verifiability where information is well-defined and confirmable, hardness and immutability where information is tamper-proof through cryptographic finalization, and reliability where information is always accessible for verification.
Apply those three properties specifically to the deepfake problem. The current failure mode isn't that identity documents are fake. It's that the link between a claimed identity and the person presenting it is severable at the point of biometric verification. A deepfake doesn't forge a document; it forges the human.
An attestation-based trust layer doesn't solve biometric forgery directly. But it changes the attack surface in important ways. When identity credentials are cryptographically registered on-chain and the attestation is signed by a verifiable issuer with an on-chain record, the question shifts from "does this face match this person" to "does this claimed credential exist, who issued it, and is it still valid."
Sign Protocol's architecture supports revocable attestations with built-in expiry through the maxValidFor parameter on each schema, and schema hook contracts that execute custom validation logic at the time of attestation use. A credential that has been compromised can be revoked on-chain. A verification check against that credential immediately fails, regardless of whether the face presenting it is real or synthesized.
That revocability is the gap that pure biometric detection doesn't close. Deepfake tooling can produce a convincing face faster than detection models can adapt. But it cannot retroactively validate a credential that has been revoked at the schema level.

My skepticism about the deepfake problem runs deep because the attack surface keeps expanding. Deepfakes now account for 40% of all biometric fraud attempts, and the tools generating them are open-source, cheap, and require only three seconds of audio to clone a voice with 85% accuracy.
No single infrastructure layer solves this.
But an attestation layer that makes credential validity independently verifiable, revocable in real time, and immune to biometric spoofing at the verification step addresses the part of the problem that detection cannot.
The deepfake is a forgery of presence. The attestation is a record of legitimacy.
Those are different problems. They need different defenses.
@SignOfficial $SIGN #SignDigitalSovereignInfra

I've written about blockchain identity projects before. Most of them exist in documentation and conference decks. This one exists in Sierra Leone's immigration system, and I needed to understand how the product stack makes that possible before I could evaluate whether it matters.
Let me start with the product architecture, because the relationship between TokenTable and SignPass only makes sense once you understand what each component actually does independently.
TokenTable is the capital allocation and distribution engine of the ecosystem, handling large-scale rules-driven distributions of value including government benefits, subsidies, grants, tokenized capital, regulated airdrops, and token unlocks, with the specific focus of determining who gets what, when, and under which rules, while delegating evidence, identity, and verification to a separate layer.
That delegation is the architectural decision that makes the integration interesting. TokenTable doesn't try to do identity. It defers identity to a system designed specifically for it. That separation of concerns is how you build something that scales without collapsing under its own complexity.
SignPass is a configurable on-chain identity system for governments and organizations, where all credentials are cryptographically registered on the blockchain and each holder receives a physical ID card compatible with ICAO standards for machine-readable passports, complete with a unique QR code linking to the blockchain verification record.
ICAO standards. That's the same standard governing physical passports accepted at international borders. Building onchain identity credentials that conform to existing international passport infrastructure is either an extraordinarily ambitious design choice or a necessary one if you want governments to actually use it. Based on what followed, it appears it was necessary.
Sierra Leone became the first country to support the SignPass initiative with an onchain permanent residency program, working with the Immigration Department of the Republic of Sierra Leone to allow SignPass holders to obtain permanent residency and become tax residents of the country.
I want to be precise about what that means. A blockchain-based identity credential issued through this system gives holders legal residency status in a sovereign nation. That's not a proof of concept running in a sandbox. That's immigration infrastructure.
Now where TokenTable enters the picture.
Once a person has a verified SignPass identity, they're eligible recipients for programmatic capital distributions. Government subsidies, grant programs, benefit allocations. The TokenTable engine executes those distributions based on eligibility rules that are verified through the identity layer. A benefit can only flow to someone whose SignPass attestation confirms they meet the criteria. The identity verification and the capital distribution are now a single integrated pipeline, with attestation evidence linking every step.
The $SIGN ecosystem connects three major engines on the chain: identity, services, and assets, with SignPass enabling user identities to be reused between different protocols and platforms, becoming authoritative credentials for participating in on-chain governance and various activities.
That reusability is the network effect that makes the stack increasingly valuable with scale. An identity credential that works across protocols, governance systems, and distribution programs doesn't need to be re-verified each time. The attestation follows the user.
My skepticism is specific. Sierra Leone is a compelling first deployment. But one country's immigration department is not evidence of global government adoption at scale. The gap between a single sovereign pilot and the twenty countries Sign was targeting in 2025 through its RaaS model involves political negotiations, regulatory alignments, and integration work that blockchain technology cannot accelerate on its own.
@SignOfficial planned to offer sovereign chain construction and on-chain identity verification infrastructure for twenty countries through a Rollup-as-a-Service model by 2025, tackling the high cost and low autonomy issues of traditional government systems.

Twenty countries by 2025 was the target. Sierra Leone is confirmed. That gap between ambition and execution is where I'll be watching most carefully over the next eighteen months.
The product design is coherent. The first deployment is real. The scale question remains open.
That's where I am.
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Storage location. Three words that most people gloss over when evaluating attestation infrastructure. I nearly did too.
The question of where attestation data actually lives is not a footnote. It's the entire availability problem dressed up as a technical detail. An attestation that exists on one blockchain and nowhere else is only verifiable by participants on that chain. An attestation that needs to travel across ecosystems hits a wall that most infrastructure projects handle poorly or don't address at all.
I want to explain why this matters more than the marketing around attestations suggests.
Imagine a credential issued on Ethereum. A user presents it to a DApp running on Solana. The Solana DApp has no native way to verify an Ethereum attestation. It can't read the Ethereum state directly. It has to either trust a bridge, which introduces its own security assumptions, or maintain a parallel registry, which defeats the purpose of a shared evidence layer. Neither answer is satisfying.

Sign Protocol faces this exact challenge where attested data simply isn't available across different blockchains even if they share a common key derivation algorithm, and the team explicitly rejected existing mature cross-chain solutions like Chainlink CCIP and LayerZero because none of them satisfy the flexibility Sign Protocol requires, particularly for pulling and validating data from atypical blockchains such as Arweave.
That last clause matters. Arweave is a permanent storage network, not a traditional blockchain. Including it signals that the data availability problem is being taken seriously at the edges, not just in the EVM-to-EVM case that every other cross-chain solution optimizes for.
The solution is a TEE-based cross-chain verification system built in partnership with Lit Protocol, where each cross-chain verification result is attached with a digital signature signed by at least two-thirds of the entire Lit network using threshold cryptography to prove consensus.
Threshold cryptography for consensus on verification results is the detail that makes this more than a trusted relay. A single relay can lie. A threshold signature from two-thirds of an independent network requires coordinated deception at a scale that becomes progressively harder to achieve as the network grows. That's a meaningful security improvement over the alternatives.
The workflow begins when a requester makes an attestation on an official cross-chain schema, encoding the target chain ID, target attestation ID, and data to verify in an extraData field designed for gas efficiency, making it approximately 95% cheaper than full on-chain storage since extraData is only passed to the hook and emitted as an event rather than being stored.
That 95% gas cost reduction is an engineering decision worth examining. Gas efficiency in cross-chain operations matters enormously for adoption at scale. A verification mechanism that costs the same as a complex DeFi transaction will only be used when the stakes justify it. One that costs a fraction of that becomes viable for everyday credential verification.
My skepticism lives in the dependency chain this creates. TEE-based verification through Lit Protocol means the security assumptions of this cross-chain system include the security assumptions of AMD's ASP, Intel's SGX architecture, Lit Protocol's node network, and the threshold consensus mechanism layered on top. Each of those is a well-studied technology. Together they form a stack where a failure in any layer propagates to every cross-chain attestation that depends on it.

The system also supports navigating a JSON path within large-sized Arweave data, making it possible to verify a particular field within a document rather than requiring the entire document to be compared.
Field-level verification within large documents is the kind of unglamorous capability that becomes essential at production scale. Nobody talks about it until they need it and discover their infrastructure can't do it.
Sign Protocol built it anyway.
That's the kind of detail that tells you something real about engineering priorities.
I'm still watching the dependency chain.
But the storage problem is more carefully handled here than I expected to find.
@SignOfficial $SIGN #SignDigitalSovereignInfra
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I have been thinking about how privacy is handled in Web3, and it often feels contradictory. Systems claim transparency as a strength while users increasingly expect control over their data. When I look at Sign Protocol, the idea of preserving privacy through encryption sounds promising at first. Attestations can represent claims without exposing raw data. That seems like a step in the right direction.
But I remain cautious.
Encryption is often presented as a complete solution. In reality, it is only part of a larger system. Data can be encrypted, but questions still remain about who holds the keys, who can access the data, and how it is shared over time. Privacy is not just about hiding information; it is about controlling how and when it is revealed.
In theory, Sign Protocol’s approach aligns with selective disclosure.
A user can prove that something is true without revealing all underlying details. For example, an identity credential could confirm eligibility without exposing full personal information. This reduces unnecessary data exposure and aligns with principles of minimal data sharing.
That sounds efficient.
But I keep asking how this works in practice.

Encryption introduces complexity. Key management becomes critical. If users lose access to their keys, they may lose access to their own data. If keys are managed by external systems, the model starts to resemble centralized control again. The balance between usability and security is difficult to maintain.
Another aspect I think about is trust in the system.
Even if data is encrypted, the process of issuing and verifying attestations must be reliable. If issuers are compromised or verification rules are weak, the system can produce misleading results while still appearing secure. Encryption protects data, but it does not guarantee correctness.
There is also the question of interoperability.
Encrypted attestations must be usable across different platforms. Applications need to understand how to interpret and verify them without exposing sensitive information. This requires shared standards and consistent implementation. Without that, the system risks fragmentation.
From a technical perspective, the combination of encryption and attestations makes sense.
Data remains protected. Proofs remain verifiable. Applications can operate without direct access to sensitive information. This creates a model where privacy and functionality coexist rather than compete.
Still, I wonder how widely this approach will be adopted.
Developers often prioritize simplicity. Encryption adds layers that can slow development and introduce new points of failure. If the system becomes too complex, it may struggle to gain traction despite its advantages.
Another factor is user awareness.
Most users do not think about encryption directly. They care about whether their data feels safe and whether systems are easy to use. If privacy features create friction, they may be ignored or bypassed.
What I find interesting about Sign Protocol is that it does not position encryption as an isolated feature.
It integrates it into a broader framework of attestations and verification. Privacy becomes part of how data is structured and used rather than an add-on.

That integration is important.
But it does not eliminate tradeoffs.
Security, usability, and scalability must all be balanced. Improving one often impacts the others. Designing systems that handle these tradeoffs effectively is challenging.
For now, I see Sign Protocol’s encryption approach as a step toward more privacy-aware infrastructure.
It addresses real concerns about data exposure.
It introduces mechanisms for selective disclosure.
But it also highlights how complex privacy becomes when applied to decentralized systems.
Whether this model becomes standard will depend on how well it can handle these complexities in real-world applications.
Because preserving privacy is not just about protecting data.
It is about building systems that people can trust to manage that data responsibly over time.
@SignOfficial $SIGN #SignDigitalSovereignInfra

I have been thinking about how data is actually retrieved in Web3 systems, and it rarely gets the attention it deserves. Most discussions focus on how data is written on-chain. Very few focus on how it is read. When I started looking into Sign Protocol, the concept of attestations made sense. But the moment I considered real-time usage, a different question came up: How do applications actually find and use these attestations quickly?
That is where indexing services enter the picture.
At a basic level, an indexing service organizes on-chain data so it can be queried efficiently. Instead of scanning the blockchain every time an application needs information, the index maintains structured records that can be accessed instantly. In theory, this turns slow blockchain queries into something that feels closer to traditional APIs.
That sounds simple.
But I remain cautious.

Indexing introduces another layer between the user and the blockchain. It improves performance, but it also creates dependency. If the index is incorrect, outdated, or unavailable, the application may not reflect the true state of the network.
Still, I can see why it is necessary.
Imagine an application that needs to verify attestations in real-time. A user logs in. The system checks credentials. Access is granted or denied instantly. Without indexing, this process could become slow and impractical. Querying raw blockchain data repeatedly is not designed for real-time interaction.
Using an indexing service within Sign Protocol follows a similar pattern.
Attestations are created on-chain or anchored to it. The indexing layer listens for these events. It organizes them based on schemas, issuers, recipients, or other relevant fields. When an application needs data, it queries the index rather than the chain directly.
From a developer's perspective, this simplifies interaction.
Instead of building complex query logic, developers can retrieve structured data through predictable endpoints. This lowers the barrier to building applications that rely on attestations.
But I keep coming back to the tradeoff.
Speed versus trust.
An index provides speed. The blockchain provides trust. When an application relies on indexed data, it must still ensure that the data is consistent with the underlying chain. This often means verifying critical information or designing fallback mechanisms.

Another challenge is data freshness.
Real-time retrieval depends on how quickly the index updates. If there is a delay between on-chain events and indexed data, applications may act on outdated information. In systems where timing matters, this can create subtle issues.
There is also the question of decentralization.
Many indexing solutions rely on centralized infrastructure. Even if the underlying protocol is decentralized, the data access layer may not be. This creates a potential point of failure and raises questions about reliability and control.
From my perspective, the value of Sign Protocol’s indexing service is practical rather than conceptual.
It makes attestations usable in real applications.
Without efficient retrieval, even the most well-designed attestation system remains difficult to integrate. Developers need fast, reliable access to data if they are going to build on top of it.
At the same time, I do not see indexing as a complete solution.
It is part of a broader architecture.
The blockchain ensures integrity. The index ensures accessibility. Applications must balance both.
What I find interesting is that this reflects a broader pattern in Web3.
Systems are becoming layered.
Different components handle storage, verification, and retrieval. Each layer solves a specific problem but also introduces its own tradeoffs.
For now, I see the indexing service as a necessary bridge.
It connects the theoretical value of attestations with the practical needs of real-time applications.
Whether it becomes a long-term standard depends on how well it can maintain accuracy, reliability, and decentralization alongside performance.
Because, in the end, retrieving data quickly is useful.
But retrieving the right data is essential.
@SignOfficial $SIGN #SignDigitalSovereignInfra

I have been thinking about how often I rely on single sign on systems without really noticing it. Logging into platforms through Google or other providers has become second nature. It feels convenient. Fast. Familiar. But the more I think about it the more I realize how much control sits behind that convenience. One provider manages identity access and authentication across multiple services. If that layer fails or restricts access everything built on top of it feels the impact.
That is what made me look more closely at how SignPass connected to Sign Protocol positions itself as an alternative.
At first the idea sounds compelling.
Instead of relying on a centralized provider users could authenticate using attestations. Identity credentials permissions and access rights could be verified through cryptographic proofs rather than a single authority. In theory this shifts control back to the user. Identity becomes portable rather than platform dependent.
But I remain cautious.
Single sign on systems exist for a reason. They reduce friction. They handle complexity in the background. They integrate easily with existing applications. Replacing them is not just about offering a different model. It requires matching or exceeding that level of usability.

From a technical perspective SignPass introduces an interesting shift.
Authentication becomes a matter of presenting a valid attestation. A user proves they meet certain conditions without necessarily revealing full identity details. This aligns with the broader idea of selective disclosure. Applications verify what they need to know and nothing more.
That sounds efficient.
But I keep coming back to trust.
In centralized SSO systems trust is placed in the provider. In a decentralized model trust shifts to issuers of attestations. If a credential is issued by a recognized authority it carries weight. If not it may be ignored. This means the system depends heavily on a network of trusted issuers rather than a single provider.
Another challenge is integration.
Most applications today are built around existing authentication standards. OAuth flows session management and identity providers are deeply embedded in current systems. For SignPass to replace SSO it must integrate with these environments without introducing significant complexity. Otherwise developers may hesitate to adopt it.
There is also the question of recovery.
Centralized providers offer account recovery mechanisms. Password resets. Multi factor authentication. Support systems. In a decentralized model recovery becomes more complex. If a user loses access to their credentials the system must provide a secure way to restore identity without compromising security.
From my perspective this is one of the harder problems to solve.
Still I can see why the idea is gaining attention.
Centralized identity systems concentrate control and data. They create single points of failure and influence. As digital systems expand users may want more control over how their identity is managed and shared.
SignPass appears to explore that direction.
It does not eliminate authentication. It changes how it is structured. Instead of logging in through a provider users present verifiable proofs that grant access. Identity becomes something carried rather than something requested.
That distinction matters.
But I am not convinced that replacement is immediate.
More likely the transition if it happens will be gradual. Hybrid systems may emerge where decentralized identity complements existing SSO rather than fully replacing it. Applications may adopt attestations for specific use cases while still relying on traditional login systems for others.

What I find interesting is that this approach challenges a deeply ingrained assumption.
That identity must be managed by a central authority.
Whether that assumption changes depends on more than technology. It depends on user behavior developer adoption and institutional acceptance.
For now I see SignPass less as a direct replacement for SSO and more as an alternative model.
One that highlights the tradeoffs between convenience control and trust.
If it succeeds it could reshape how authentication works across digital systems.
If it does not centralized providers will likely remain dominant.
Either way the question it raises is difficult to ignore.
Who should control digital identity.
And how that control should be exercised in a system that is becoming increasingly interconnected.
@SignOfficial $SIGN #SignDigitalSovereignInfra

I have been thinking about how developers prove their work online, and it often feels more fragile than it should be. When I look at platforms like GitHub, the assumption is simple. Your commits, your repositories, and your contribution graph represent your credibility. But the more I think about it, the more I realize that this system depends heavily on context. A profile can look impressive without revealing how meaningful the work actually is.
That is what makes me curious about how Sign Protocol could fit into this picture.
At first, the idea sounds straightforward.
A developer contributes to a repository. That contribution is verified. An attestation is issued, confirming that the work happened. Instead of relying only on a visual graph or repository history, there is a structured proof that can be reused across platforms.
In theory, this could make developer reputation more portable.
A contribution verified once could be presented anywhere. Hiring platforms, grant programs, DAOs, or developer communities could check the attestation without manually reviewing GitHub profiles. The signal becomes standardized rather than subjective.
But I remain cautious.
Contribution data is not as simple as it looks. A commit does not always reflect impact. Some developers make small changes. Others design entire systems without producing large numbers of commits. If attestations are based purely on activity metrics, they risk reinforcing superficial signals rather than meaningful ones.
This leads me to think about who issues the attestation.

If the system relies on automated verification, it may capture quantity but miss quality. If it relies on human reviewers, it introduces subjectivity and potential bias. The credibility of the attestation depends heavily on the process behind it.
Another question I keep coming back to is context.
A contribution in one repository may carry different weight than a contribution in another. Open source projects vary widely in complexity and standards. Without understanding that context, an attestation may oversimplify what the contribution represents.
Still, I can see why this direction is being explored.
The current system for evaluating developers is fragmented. Recruiters review profiles. Communities rely on reputation. Individuals present portfolios that are difficult to verify quickly. A standardized layer of attestations could reduce friction in these processes.
From my perspective, the value is not just in verification.
It is in portability.
A developer could carry proof of contributions across different platforms without rebuilding their reputation each time. This aligns with a broader trend in Web3 where identity and reputation are not tied to a single application.
But portability introduces its own challenges.
If attestations become widely accepted, they may start to influence how developers behave. Metrics could be optimized. Contributions could be structured to maximize attestations rather than impact. This is not unique to Web3. Any system that formalizes reputation tends to create incentives that shape behavior.
There is also the question of adoption.
For this model to work, platforms must recognize and trust these attestations. Without integration into hiring tools, developer platforms, and communities, the system remains an additional layer rather than a replacement for existing evaluation methods.
What I find interesting is that this approach does not attempt to replace GitHub.
It builds on top of it.
GitHub remains the source of activity. Sign Protocol becomes a layer that translates that activity into verifiable claims. That distinction matters because it acknowledges that existing platforms are unlikely to disappear.

Instead, new infrastructure emerges to connect and extend them.
Whether verifying GitHub contributions through attestations becomes a standard practice is still uncertain.
It depends on whether the industry values structured proof over informal signals.
It depends on whether issuers can establish credibility.
It depends on whether developers see value in carrying these proofs beyond a single platform.
For now, I see it as an attempt to formalize something that has always been loosely defined.
Developer reputation.
And like many attempts to formalize complex human signals, it has potential.
But it also raises as many questions as it answers.
@SignOfficial $SIGN #SignDigitalSovereignInfra

Most attestation systems tell you a claim was made. They rarely tell you whether the claim is worth anything. That distinction kept bothering me until I found a section in the documentation I almost skipped over. Effective Attestations. It sounds like jargon. It isn't. Sign Protocol's Effective Attestation framework defines four technical attributes that separate meaningful attestations from noise: verifiability, relevancy, insightfulness, and universality. I want to go through each of those carefully because the definitions matter more than the labels suggest. Verifiability I expected. Every attestation system claims its records are verifiable. What I didn't expect was the specificity underneath it. Verifiability requires attestations to be provably correct, supported by schemas and verification tools that ensure data integrity and authenticity, with developers able to automate the verification process using those tools. That last clause is the one that changes the operational picture. Manual verification at scale is theater. Automated verification through published tooling is the only approach that holds when attestations number in the millions. Relevancy is the attribute I found most technically interesting. Relevancy requires components to deliver meaningful impact, with attestations tied to specific contexts rather than existing as generic claims floating without application. This is the failure mode I've seen in every attestation system that launched with ambitions and landed with a pile of unstructured signed blobs nobody knew how to query. A credential that proves something but doesn't specify what context it's relevant to is noise, not signal. Relevancy as a design requirement forces attesters to think about use cases before they issue claims.
Insightfulness is where I got genuinely interested because it pushes the framework into territory most attestation systems don't touch. Insightfulness requires that attestations contribute to a broader understanding of their subject, building cumulative knowledge rather than isolated facts, so that a collection of attestations reveals something more meaningful than any individual record. That's a composability requirement disguised as a quality standard. It says the attestation system should be designed so that multiple attestations about the same subject aggregate into a richer picture. That's how reputation systems should work. It's rarely how they actually do work. Universality is the hardest attribute to deliver, and the documentation is honest about why. Universality requires that attestations be accessible and usable across different systems, chains, and contexts without requiring special permissions or proprietary integrations, advancing trust systems for both web and global applications. Cross-chain, cross-context, permissionless access to attestation records is the goal that makes everything else meaningful. An attestation that only works inside one ecosystem is a siloed credential. An attestation that works anywhere is infrastructure. These four attributes describe what attestations should be. They don't automatically make attestations that way. The framework is only as useful as the schema design, the attester quality, and the developer adoption that implements it correctly.
A poorly designed schema can satisfy the technical definition of verifiability while being practically useless. A high-volume attester issuing low-quality claims can meet the universality requirement while polluting the attestation graph with noise. What the Effective Attestation framework gives developers is a vocabulary for evaluating quality rather than just existence. That's a meaningful contribution to an ecosystem that has historically confused "signed" with "trustworthy." I've been looking for attestation infrastructure that treats quality as a first-class design concern rather than an afterthought. This is the first framework I've found that does. Whether the ecosystem building on top of it respects those quality requirements is a different question entirely. One I'll be watching with the same skepticism I brought to the documentation.
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