A track record nobody can edit: SHA-256, git and Bitcoin timestamps

Anyone can show an impressive track record after the fact. The question is whether the predictions existed before the outcomes. We wanted a way to prove that, cheaply, without asking anyone to trust us. The setup Every night: The day's scores are written to a CSV file, before the next market open. The file's SHA-256 fingerprint goes into a ledger,... Weiterlesen: A track record nobody can edit: SHA-256, git and Bitcoin timestamps