What is the earliest block in the blockchain that has a spent coinbase? I have manually looked at the first dozen or so but they are all unspent.


The first transaction, Satoshi sending 10 BTC to Hal Finney, was recorded in block 170.


As Dust noted above, it does appear that 10 coins that were generated in Block 9, were sent to someone in Block 170, transaction f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16 and which if what Hal says is true (I have no reason to believe its not) then Hal's address is 1Q2TWHE3GMdB6BZKafqwxXtWAWgFt5Jvm3 and he didn't spend/move them again until 16 Nov 2010, which would coincide with the his comings and goings on the bitcoin scene.

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