Estonia uses a blockchain to act as an immutable way to store timestamped hashes of government data for security and verification purposes - they started buildi

Estonia uses a blockchain to act as an immutable way to store timestamped hashes of government data for security and verification purposes - they started building this a year before the Bitcoin whitepaper was released in fact. That's the only valuable use for blockchains I've seen. https://e-estonia.com/wp-content/uploads/2020mar-nochanges-faq-a4-v03-blockchain-1-1.pdf https://e-estonia.com/wp-content/uploads/2020mar-nochanges-f...