: if you change a block, it improvements the fingerprint. And because that fingerprint is included in another block, the following block is transformed too. There is a prevalent declaring from the copyright space: Do Your very own Exploration (or DYOR). We are not saying that for being rude, https://waylonuogyg.theisblog.com/29823446/how-copyright-can-save-you-time-stress-and-money