Bitcoin 
Ethereum 
Tether 
BNB 
Solana 
XRP 
USDC 
Lido Staked Ether 
Cardano 
Avalanche 
Solana Attestation Service is solving one of crypto’s most persistent headaches: seamless, decentralized identity verification.
Blockchains were never designed with permissions in mind. Anyone with a private key can access them. But as decentralized apps meet the real world, access control becomes unavoidable. Age limits, location checks, voting eligibility, and bot resistance all require answers — and until now, those answers came from clunky KYC platforms or custom-coded nightmares.
Every dapp team rebuilding access logic is stuck in a costly cycle. Users, meanwhile, have to prove their identity repeatedly. That’s the friction the Solana Attestation Service (SAS) is removing.
A universal layer for decentralized credentials
Instead of siloed verification, SAS introduces reusable attestations that stick to your wallet like passport stamps. These verifiable claims can come from KYC providers, DAOs, employers, or even governments. Examples include: “I’m over 18,” “I live in the US,” or “I passed this DAO’s onboarding.”
Each attestation contains a wallet address, a claim, optional metadata, and the issuer’s signature. No custom logic or servers needed. Dapps only need to verify the signature — clean, fast, and standardized.
This means developers don’t have to handle sensitive data. Users don’t have to keep re-verifying. And credentials can be composable across different applications — unlocking massive utility.
ANOTHER MUST-READ ON ICN.LIVE:
China AI ecosystem development shows global strength and future potential
Solana Attestation Service enables frictionless, private, and composable identity
What sets SAS apart is its blend of speed, privacy, and openness.
No personal information is stored on-chain. The system is frictionless: attest once, use anywhere. And since it’s open and permissionless, any builder can integrate with it without waiting for approval.
Real-world usage is already taking off. Civic plans to issue reusable compliance credentials with SAS. Solid will let users collect identity stamps like “verified developer.” RNS.ID is launching its Proof infrastructure using SAS next month.
These stamps can fuel on-chain reputation, dynamic governance, and even undercollateralized lending. Identity becomes an input — not a barrier — to innovation.
Scaling Solana means solving the access problem
Solana Attestation Service is helping the network scale without compromising on core crypto values. Solana’s high throughput has made it a leader in DeFi, DePIN, and crypto gaming. But bringing in the next billion users means embracing real-world constraints.
SAS gives developers a way to honor those constraints — legally and socially — without wrecking user experience or decentralization.
It’s not just a backend fix. It’s a shift in how we think about identity in Web3.
