High Tower
@htwtech
1/10 #ICP by @dfinity claims they made Bitcoin programmable through native integration. A different approach to Bitcoin functionality using distributed cryptography. Here's what we found 🧵 https://t.co/oZzYA9IOzc 2/10 Bitcoin's scripting limitations forced developers into workarounds: wrapped tokens, sidechains, complex bridge architectures. ICP took a different approach. Their canisters read UTXOs and broadcast transactions directly to Bitcoin mainnet
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High Tower
@htwtech
3/10 The technical foundation relies on Chain Key cryptography. Subnet nodes collectively generate signatures through threshold #ECDSA. Each canister can derive Bitcoin addresses and sign transactions while the private key remains distributed 4/10 ckBTC demonstrates this in practice: • 1:1 backing with native Bitcoin • Instant settlement for payments • Already integrated in DeFi protocols • Decentralized minting and redemption
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High Tower
@htwtech
5/10 ICP extends beyond Bitcoin integration. The protocol hosts entire applications on-chain: frontend delivery, backend logic, persistent storage, biometric authentication. WebAssembly execution with #Rust and #Motoko support Execution between smart contracts (canisters) on ICP is cycle-based and fully automated
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High Tower
@htwtech
6/10 Live implementations include: 🔸 @ICPSwap: DEX with ckBTC trading and liquidity pools 🔸 @OpenChat messaging with Bitcoin micropayments 🔸 @bitfinitynet: EVM-compatible layer 🔸 Multiple DeFi protocols using native BTC 7/10 DFINITY actively funds Bitcoin development through structured grants: • Newbie track for prototypes • MVP track for functional products • Scaling track for production optimization Recent recipients include @lokamining and ChainVault
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