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RE: "Steem Is Broken!?!" A Conversation with Sida of Partiko
How can we ensure that blockchain remains sustainable as time passes? If it already takes 24 hours to replay a node does that mean it's going to take two days in another 2 years? Can we create checkpoints that move up the genesis block to a more recent date?
Spoke too soon: This issue is talked about at 39:00
Genesis blocks don't generally "move" but ideas are certainly being thrown around. Usually, replays are never noticed by the community because they are not done all at the same time due to a critical bug. In this case, it impacted everyone so all nodes had to be replayed.
There's also the idea to consider that computers are getting faster and cheaper. In two years there may be other hardware level solutions which speed up the process.
It's certainly something we'll have to get serious about in the future.