Generate a BTC address from a passphrase
Here’s something fun to try. Pick a simple passphrase – e.g. sausage
$ echo -n 'sausage' | sha256sum
30caae2fcb7c34ecadfddc45e0a27e9103bd7cfc87730d7818cc096b1266a683 -
Load up bitaddress and paste that private key into the ‘wallet details’ tab to get the corresponding Bitcoin address, then look it up on blockexplorer:
$ GET http://blockexplorer.com/q/getreceivedbyaddress/1TnnhMEgic5g4ttrCQyDopwqTs4hheuNZ; echo
0.01000000
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