This code: see repositories for detailed licenses. All projects use the BSD 2-clause License.
BikeParkDice is an Ethereum smart contract for a pseudo-random number generator
Solidity | Github Source
PwnedWallet shows the danger of using poor-entropy cryptocurrency Brainwallets
PkTime demonstrates the difficulty of brute-forcing cryptographic keys with a large enough keyspace
C | Github Source
uBitAddr is an offline Bitcoin address generator for microcontroller platforms
C, Python | Github Source