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locktime

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kishore08-07 / coin-smith-partially-signed-btc-transaction

Safe PSBT transaction builder with advanced UTXO selection, fee optimization (vbytes), RBF signaling, and machine-checkable JSON reporting.

typescript bitcoin wallet rbf utxo bip174 crytography psbt coin-selection summer-of-bitcoin transaction-builder locktime

Updated Apr 23, 2026
TypeScript

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