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> But with bitcoin, I can implement any change I want, immediately, just by modifying the software. No, you've created software that works the same now, but co

• wolfgke 11y ago
  > No, you've created software that works the same now, but could cause a fork. Where is the problem? As far as I understand it (but prove me wrong!) in the extreme case we'll have two Bitcoin blockchains: One without the block size restriction and one with. In each of these two blockchains there will be a consensus (that's what the Bitcoin protocol is in principle about). In the "typical" case the supporters of one of these two forks will stop mining in it, since they see that it is "not mainstream enough". If both blockchains have lots of supporters behind, we'll have "two different bitcoins". Here it can get interesting, since now we have "two different products/bitcoins", where the market will have to decide (and in the extreme case this ability to choose will damage bitcoin - here also things get interesting).