Odaily Planet Daily News According to official news, EthSign announced the launch of SignPass. SignPass provides convenience to the community through a verifiable ID on the chain that is compatible with the existing passport system. All SignPass credentials will be cryptographically registered on the chain through the Sign Protocol, and the permanent residence in Sierra Leone that can be registered on the chain. Each holder will receive a physical ID card that meets the standards of the ICAO Machine Readable Passport (MRP) and provides a unique QR code linked to the blockchain record. Anyone who needs to verify the validity of their SignPass can scan the QR code. The system not only ensures security and transparency, but is also designed to integrate smoothly with international passport standards.