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How did you code up the handling of payments? Was this easy to make?

It's pretty simple. I generated a bunch of public/private keypairs. I kept the private keys offline and I hand out public addresses when people add a message.

Then I poll blockchain.info for payments.

also, the source is on github. https://github.com/jbaudanza/singleservingbitcoin

Which part is generating the keypairs? Is it bitcoin specific?

I'm curious how it's done. I'm thinking to code up something where people can have a small amount of bitcoins donated to every URL they visit. If it ever caught one if could be a way to fund content instead of ads.

Look at the Rakefile under `task :generate_keypairs`. It's using the bitcoin-ruby gem

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