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Guides
Technical documentation on Bitcoin verification.
Understanding BIP-137: Bitcoin Message Signing
How to prove control of a Bitcoin address without moving funds or revealing private keys.
Understanding BIP-322: Generic Message Signing
How modern Bitcoin wallets sign messages for SegWit, Taproot, and script-based addresses.
Understanding BIP-127: Bitcoin Proof of Reserves
How reserve proofs bind UTXOs to a commitment without moving funds.
BIP-137 vs BIP-322 vs BIP-127
Which Bitcoin proof standard to use for address control, Taproot, and reserves.
Bitcoin Collateral Verification for Lenders
Why cryptographic proof is replacing screenshots for Bitcoin-backed lending.