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Religion.
Edit: tbf it's a spectrum, and some religions and associated things are outright scams, but I think expressing awe and gratitude for creation and sharing timeless values is so not a scam.
Improving a private lightning address server so that it's ready for release.
one thing is for sure, a couple of hundred years ago, things didn't change that much between generations, the pace of change we've seen maybe the past 100 years has been crazy
It failing. For any reason.
Bootstrapping a new proof-of-work currency, after the biggest one has failed, may simply be impossible. Small PoW currencies are very susceptible to 51% attacks. So if Bitcoin ever fails we may find that the bad actors of the world use force to prevent a replacement from ever having a chance.
We've probably got one shot at creating a decentralized currency for the world.
Creating a Stacker News Python Library