But that part has little to do with "a blockchain" and everything with how that blockchain is implemented in a specific currency. The storage part of the trans

But that part has little to do with "a blockchain" and everything with how that blockchain is implemented in a specific currency. The storage part of the transactions is suprisingly simple and is what makes up the blockchain: the PoW, DAG and signatures of all that: PoW + git + pub/priv signatures.