> Blockchains are pretty much just an append-only log By this definition, ethereum is not a blockchain[0] > they were the first decentralized answer to the d

> Blockchains are pretty much just an append-only log By this definition, ethereum is not a blockchain[0] > they were the first decentralized answer to the double-spend problem Physical reality is decentralised answer to double-spend problem (the gold molecules 'exist' in your hand, no centralised god manifested it but physics worked on universal matter in a decentralised manner). The 'problem' is created when we assumed centralised trust is even possible. A blockchain is decentralised answer to double-spending a 'non-physically interactable' good(don't mean 'virtual' because POW is real). [0]https://ethereum.stackexchange.com/questions/9535/how-does-a-hard-fork-rollback-transactions https://ethereum.stackexchange.com/questions/9535/how-does-a...