As a random whim, I want to see if it's possible to send one satoshi to every bitcoin address that's ever been used. How much would that be? I'm betting the transaction fee would be a lot more, though. Is this even possible? How would I do it?

  • Hm.. kind of multicast. I am not sure how useful this could be, but it is not possible now. You need to create as many transactions required. – vi.su. Feb 8 '13 at 6:31

Yes. There are currently about 10 million unique addresses in the block chain, so 0.1 BTC would be enough to send a satoshi to each address. The transaction data would be about 340 MB. The network's anti-spam protections would make this project either very expensive (due to transaction fees) or very time-consuming.

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  • Thanks! So it's infeasible. =( As an estimate, how much do you think the transaction fee would be? – lurf jurv Feb 8 '13 at 15:55
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    @lurfjurv It's not infeasible. The fee might be about 170 BTC, though this depends on many factors. – theymos Feb 8 '13 at 17:20
  • How do you know there are 10 million unique addresses? – Shamoon Nov 27 '13 at 21:31
  • @Shamoon I gathered that data from the block chain. – theymos Nov 27 '13 at 21:51
  • @theymos Is it up on blockchain.info anywhere? – Shamoon Nov 27 '13 at 21:53

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