Peter is an independent applied cryptography consultant - what the cool kids call "blockchain tech" - known for his research and educational work on better understanding and making use of "blockchain" technology, with a particular focus on scalability. He's also a long time contribution to Bitcoin Core, as well as maintainer of the python-bitcoinlib and OpenTimestamps projects. He brings to this field a very diverse background, including a fine arts degree, and a stint doing analog electronics design for a geophysics startup.