Solana Launches Attestation Service to Reinvent Digital Identity Verification

Now live on Solana’s mainnet, SAS was developed in partnership with the Solana Foundation and Solana Identity Group to serve as the internet’s trust layer for on-chain and off-chain applications.

SAS allows users to link off-chain identity data to any Solana wallet, enabling secure verification of details such as KYC, investor status, or on-chain reputation — all without compromising user privacy. Rather than exposing personal information on-chain, SAS uses signed, reusable identity documents that users can safely apply across multiple apps and services.

According to Solana’s official announcement, SAS aims to simplify and scale identity verification in an increasingly decentralized internet. Developers and users alike benefit from an open, permissionless infrastructure, meaning there are no gatekeepers or centralized authorities.

With SAS, projects can embed compliance checks, jurisdictional verification, and user uniqueness directly into their apps using a simple SDK — eliminating the need for complex back-end authentication systems.

Key features include

Portable credentials that work across applications A neutral, open standard for identity providers and devs A programmable trust layer for seamless, single-call authentication A privacy-first architecture that protects user data by default

As on-chain capital markets mature, tools like SAS are positioning Solana to lead the charge in digital identity — one of Web3’s most critical frontiers.

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