Hardware Wallets, Software Wallets, Bitcoin Nodes, Seed Backup Solutions, Inheritance Services & Bitcoin Books database
Standalone HTML tools for multiple blockchains, currently supporting Bitcoin, Ethereum and Dash: offline key derivation and recovery backups, read-only activity and discovery, PSBT inspection and multisig policies.
Constant-time SLIP-0039 Shamir's Secret Sharing for Go. Bitsliced GF(256), memory zeroing, zero data-dependent branches.
Dash Community wallet tools: standalone HTML for offline key derivation and recovery backups, read-only activity and discovery, PSBT inspection and multisig policies. Independent community project.
BIP39 Center-Punch Washer Backup — a DIY metal backup using stainless-steel washers, braille-style decimal encoding, printable punching jigs, and mod-10 checks.
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