Adam Back created Hashcash, which is used to mine Bitcoin. His contributions to Bitcoin development and the Bitcoin white paper were significant.
Blockstream, a blockchain technology company founded by Blockstream in 2014, provides the most advanced blockchain technologies. Blockstream created Liquid.net in 2020. This is a one-stop-shop for Liquid Network statistics and information. Liquid Network provides its services on many platforms such as BTCPAY and LAVA. Blockstream has also created the Blockstream Scam Database in an effort to combat scammers trying to hijack the Blockstream brand.