Bitcoin / cryptocurrency related:
- Bit-wasp – php library to let you generate a bunch of different types of keys for HD bitcoin wallets. As used in my bitcoin woocommerce gateway
- HD-wallet-derive – php script to generate addresses, pubkeys, privkeys, and more for Bitcoin (BTC), Litecoin (LTC), Doge and a bunch more.
- BIP39 Menemonic code converter (generate BIP39 compliant menemonics, keys etc, derivation path info)
- Electrum change gap limit (read- ahead by more addresses because derived addresses not yet being seen but are legitimae
- NoNodePay – the shop system from @coinables which sorta got me started with bitcoin-related coding
- How do I query for posts by partial meta key? (untested)
- Getting all values for a custom field key (cross-post) (untested)