Bitcoin has changed in the past. The block size, for example, is something that was modified a few years ago. See also the "block size controversy" [0] [0]: h

Bitcoin has changed in the past. The block size, for example, is something that was modified a few years ago. See also the "block size controversy" [0] [0]: https://en.bitcoin.it/wiki/Block_size_limit_controversy https://en.bitcoin.it/wiki/Block_size_limit_controversy