Sign has just supercharged $SIGN’s real-world utility by open-sourcing four production-grade repositories—spanning EVM and Solana—under the Built-by-Sign banner. Announced by CTO Jack Xu, these drops deliver battle-tested code that lowers barriers for builders, directly driving more attestations, higher network fees, and greater staking rewards for $$SIGN olders.
Core EVM Foundation Now Open
The flagship release, ethsign-v4-evm, open-sources the original smart contracts that powered millions of attestations and billions in compliant token distributions. Developers can now fork, audit, and extend the exact primitives used by enterprise and government pilots—accelerating integration of verifiable credentials across EVM chains. Every new dApp built on this foundation means more on-chain activity settled in $SIGN.
Solana Patterns Ready for Prime Time
Three Anchor-based repositories bring the same ease to Solana:
hook-cpi-pattern-solana enables seamless CPI hooks for attestation logic.
access-control-solana delivers secure, two-step ownership and role management—critical for institutional-grade deployments.
event-pattern-solana provides lightweight, reactive event handling for cross-chain composability.
These tools let Solana builders plug Sign’s trust layer into their apps instantly, creating more credential flows, KYC solutions, and DeFi primitives—all of which consume $SIGN r fees, governance, and incentives like Orange Basic Income (OBI).
This open-source push is engineered to expandity on three fronts:
Usage Flywheel: More reference code = faster developer adoption = exponential growth in attestations. $ SIGN res this volume as the native fee token.
Cross-Chain Dominance: With ready patterns for EVM and Solana (plus existing TON/Base support), Sign becomes the default omni-chain attestation standard—locking $SIGN universal settlement asset.
Holder Rewards: Increased network activity boosts staking demand, governance participation, and deflationary pressure through sustained protocol revenue.
By handing builders the same tools the core team uses, Sign turns transparency into token velocity. These releases aren’t just code—they’re catalysts pulling $sign mainstream utility as the economic backbone of verifiable on-chain truth.
Built by Sign. Powered by $SIGN. Open for everyone.