A Python library for 'bitcoin cryptography'
Convert your crypto wallet seed phrases into decodable, cryptographically secure 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.
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#
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.
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.
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
Self-hosted, encrypted vault for wallet recovery phrases. AES-256-GCM under a keyword that is never stored — a database dump reveals nothing. TOTP sign-in, shareable vaults with revocation. Plain PHP, no dependencies.
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