According to ChainCatcher, the SIP-033 and SIP-034 proposals were officially activated at Bitcoin block height 923222, with the Stacks network launching the Clarity 4 smart contract language. The upgrade introduces six core features for developers: on-chain contract code hash retrieval and verification, custom contract post-conditions, simple value to ASCII string conversion, current block timestamp retrieval, secp256r1 signature verification (supporting native key integration), and dimensional resource tenure extension. These features aim to lower the development barrier for Bitcoin-native DeFi applications, enabling the creation of more secure and flexible financial protocols. Stacks is positioned as a liquidity layer for the Bitcoin ecosystem, with all transactions settled on the Bitcoin chain and secured via the proof-of-transfer mechanism.
Stacks Network Activates Clarity 4, Adds Six New Bitcoin Native DeFi Features
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