#9

Oldest block with a spent coinbase

View on mempool.space

Mined

1/9/2009, 3:54:39 AM

Reward

50 BTC

Fees

0 BTC

Difficulty

Block hash

000000008d9dc510f23c2657fc4f67bea30078cc05a90eb89e84cc475c080805

000000008d9dc510f23c…0eb89e84cc475c080805

Block 9 is the oldest block whose coinbase reward was ever spent. The 50 BTC from this block flowed into address 12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S — widely linked to Satoshi — and was used in block 170 to send 10 BTC to Hal Finney, the first peer-to-peer Bitcoin transfer between two people.

Key People

Satoshi Nakamoto Hal Finney

Related Hardware

CPU Mining

Related Events

January 3, 2009MiningEpoch

Genesis Block Mined

Satoshi mined block #0, embedding The Times headline in the coinbase transaction.

#genesis#block-0

January 12, 2009PeopleEpoch

First Bitcoin Transaction

Satoshi sent 10 BTC to Hal Finney in block 170.

#first-transaction#hal-finney

January 9, 2009ProtocolEpoch

Bitcoin v0.1 Released

First open-source Bitcoin client released on SourceForge.

#software#open-source

Found a mistake or know something I missed?Email a correction — this page's URL will be included.