A Python library for 'bitcoin cryptography'
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Updated
Aug 31, 2026 - Python
A Python library for 'bitcoin cryptography'
Standalone C++17 cryptographic primitive library: Ed25519, ring signatures (CLSAG/Triptych), Bulletproofs/BP+/BP++, BIP-39/SLIP-10/SLIP-39 key derivation, with AVX2/AVX-512 SIMD backends
Shamir's Secret-Sharing for Mnemonic Codes in C#
Convert your crypto wallet seed phrases into decodable visual artifacts you can creatively store, scatter, and reassemble. BIP39, Electrum, SLIP39, all supported. Completely offline. Resists common visual exfiltrations such as photography and lossy data transfer.
Authenticated threshold secret recovery with AEAD, Shamir sharing, Fordefi workflows, and reproducible offline bundles.
Shamir's Secret Sharing Scheme -- Using Android phone, turn Bitcoin seed phrase into paper shares for family recovery.
Split a wallet recovery phrase into SLIP-39 shares and store one on each YubiKey. Any threshold of the keys rebuilds it; fewer reveal nothing.
SLIP-0039 compatible secret sharing tool
Constant-time SLIP-0039 Shamir's Secret Sharing for Go. Bitsliced GF(256), memory zeroing, zero data-dependent branches.
CLI tool for splitting and reconstructing cryptocurrency mnemonics using BIP39 and SLIP39 standards
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