Using blockchain technology to notarize important documents Most people have by now heard about "the blockchain", but there are in fact hundreds of various blockchains running in parallel. Bitcoin has

AnimaLand Land ruled by nature, animals and plants. How to join: Mark the land you pledge by setting up a string fence around it. Preferably using dry branches from a fallen tre or similar recycled material.

Full title describing purpose: Avoiding insecure password transmission by using a local signature solution to digitally sign a random one-time challenge. (A signature solution for authentication using