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Author Topic: Has anyone tried putting Gavin's transaction priority sum in an alt coin yet?  (Read 287 times)
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March 29, 2014, 06:51:38 PM
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This was posted a few years ago:
http://newsbtc.com/2014/01/12/gavin-andresen-neutralizing-51-attack-bitcoin-network-circa-2012/

Quote from: newsbtc blog
Something like “ignore a longer chain orphaning the current best chain if the sum(priorities of transactions included in new chain) is much less than sum(priorities of transactions in the part of the current best chain that would be orphaned)” would mean a 51% attacker would have to have both lots of hashing power AND lots of old, high-priority bitcoins to keep up a transaction-denial-of-service attack. And they’d pretty quickly run out of old, high-priority bitcoins and would be forced to either include other people’s transactions or have their chain rejected.

Are there any alt coins that have tried this yet?

It seems like there is this crazy rush of coingen coins, Scrypt coins, and country coins with "airdrops" and all this other nonsense.

But who's working on tackling technical innovations and the 51% PoW attack problem?

I know we have proof of stake from Peercoin and automated checkpointing which introduces some centralization.  That is one defense mechanism.

What about others?  A decentralized solution or evolution of the PoW blockchain concept?

There's a few coments on his blog post with some good suggestions for enhancing the idea too.  Just curious if anyone has tried implementing it?
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