Gigi @Gigi 1781613899 It begins with a timestamp server. Quotable Satoshi @Quotable Satoshi · 1w The solution we propose begins with a timestamp server. A timestamp server works by taking a hash of a block of items to be timestamped and widely publishing the hash, such as in a newspaper or Usenet post. The timestamp proves that the data must have existed at the time, obvious Show more 52❤️9🫂3♥️1❤1❤️1👀1