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A gigabyte every ten minutes is quite doable for modern machines and networks, and even more so in an imaginary future where bitcoin transaction rates equal Visa transaction rates.
At those rates, it's not hobbyists running the P2P network anymore; from the transaction fees alone, you're looking at competition among professional players with major investments in the network.
How does this scale?
Posted Nov 12, 2010 21:30 UTC (Fri) by droundy (subscriber, #4559)
Posted Nov 13, 2010 0:34 UTC (Sat) by jgarzik (subscriber, #8364)
At Visa/Paypal transaction rates, most bitcoin clients will be leaf nodes, that send and receive transactions, but don't bother with the block chain.
Beefy ultrapeer nodes would be the ones storing transactions, building blocks, monitoring and verifying the block chain, etc. They are incentivized to do this with transaction fees, which non-generating leaf nodes would not receive.
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