📛 Crypto scams have been around for years and also millionaires have fallen victim.
⬇️ To keep you safe, here are the most types of scams
Recent reports show that hackers stole ~$5 billion worth of crypto last year.
And lately, scammers have become very hungry and scams has increased dramatically.
List of the most widespread scams 👇
1️⃣ Address Poisoning Attack
Scammers manipulate smart contracts to make you send tokens to an address similar to the previous one.
They hope you won't verify the authenticity and send funds to their wallet. Some wallet apps may even suggest the scammer's address for you.
Two options of this scam:
• Send a null transaction from a similar address to where your tokens came from.
• Create a transaction through a smart contract as if your wallet sent a null transaction. The most used networks: BNB, Polygon, Tron.
2️⃣ Dangerous signature
Users are requested to sign a message upon entering the site.
Though Metamask warns against it, some inattentive users still sign, resulting in their transaction being sent to the scammer's address along with all ETH.
There are some ways to sign:
• personal_sign
• eth_sign
Metamask only warns for eth_sign. It signs hash first and then message, removing "x19Ethereum Signed Message:n".
Personal_sign signs message first, then hash.
3️⃣Token approvals
It's important to remember that approving a contract token essentially grants permission for scammers to spend tokens from your wallet freely.
Many people think that additional confirmation is needed, but no - the approval itself is permission.
In case you approve an unknown contract by mistake, you may lose tokens.
Revoke Cash is the best option if you want to keep your tokens. Don't hesitate, act quickly and cancel any suspicious confirmations to avoid losses.
4️⃣ Security Update
If this signature is confirmed, consider your wallet lost.
The contract will automatically send all ethers from the wallet, leaving you with insufficient funds to withdraw any transactions.
Unfortunately, there is nothing you can do in this situation.
5️⃣ Seaport scam signature
This type of signature can lose all NFTs that have been approved on OpenSea.
If you accidentally sign something like this, you should immediately revoke the signature on etherscan or revoke cash
To avoid impact:
Remove all doubtful approvals.
Without open approvals, scammers can't steal. Check regularly and remove unnecessary endorsements, especially old Opensea endorsements (shown as OpenSea (old) on revoke cash).
6️⃣ Upgrade To.
This is a similar signature as Seaport, only approved to the old OpenSea Wyvern Exchange v2 (old) contract, cancels via revoke cash (shown as OpenSea (old) on revoke cash too).
7️⃣Scam links, drainers, malware.
• Be wary of scam links, drainers, malware and honeypot.
• Always double-check anything you open or download.
• Using a browser without a install-in wallet when browsing the Internet to provide added security for your finances.
Airdrop hunting can be risky. Security is often overlooked. ❗️
Scammers steal millions of dollars, just one mistake and you're screwed. 💸
Don't let your dreams turn into a nightmare.
Here are 6 rules to follow for a safe journey.👇
Interacting with smart contracts carries risks for your crypto.
Every week we see news about different exploits and stolen funds.
It's important to take action early to minimize losses.
1️⃣ Approvals.
Metamask has recently added an approval feature for a certain number of tokens. Enter the necessary amount that you are transacting with.
It's better to spend $0.1-$5 on fees every time, than to become a victim of a scam.
2️⃣ Pocket Universe
PocketUniverseZ is an extension that simulates transactions in your wallet to show you the potential changes the transaction will make.
It supports Ethereum, Arbitrum and Polygon.
3️⃣ Rabby Wallet
You can use Rabby Wallet
Security measures include showing the exact transaction and warning about sending tokens to non-whitelisted addresses.
Additional checks are in place when signing a transaction, and users are warned if an upfront contract was hacked.
4️⃣ Revoke. cash
RevokeCash - the platform allows you to cancel approvals on any tokens and NFTs. After interacting with shady contracts, you should to cancel the approvals immediately.
Supports ETH, BNB, ARB, OPT, zkSync and more.
5️⃣Airdrops from scammers
Scammers may target you when you interact with different protocols.
If tokens appear in your wallet, be cautious. Scammers may use this to lure you into thinking you have received a huge money.
Interact with these tokens = losing your wallet.
6️⃣Email and Phone number
Different projects may require your Email or phone number to be connected.
Don't use these details that are connected to your CEX account or Bank account. You should always use secondary contacts.