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Stacks (Clarity)

Bitcoin's leading smart contract layer, using the Clarity language — decidable, non-Turing-complete, and auditable. Stacks contracts settle on Bitcoin via its Proof-of-Transfer (PoX) consensus. Supports DeFi, NFTs, DAOs, and BTC-collateralized stablecoins. All contract code is readable on-chain by design. Leather and Xverse wallets provide native Stacks support.