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Can you expound on that a bit?

I'm no expert but from what I've read, many of the more advanced coins have mitigated against such problems, by design.

Do you think that it is possible for the backlog to become so great that it makes a bitcoin fork impossible?

I don't know but it seems the infighting, community division, politics and bureaucracy are bigger hurdles to climb. The only positive thing about Bitcoin that I can see right now is the rising value. As a currency though, I keep reading again and again that there are better alternatives. Are you investing? Why not spread it out?

I'm investing my time into Steemit. I'm hoping it will pay once I get some sort of critical mass of followers.