Halving messages
ID: cool-data-embedded-in-the-bitcoin-blockchain/halving-messages
Cool data embedded in the Bitcoin blockchain Halving messages by 
Ciro Santilli 37 Updated 2025-07-01 +Created 2025-02-11
Ciro Santilli 37 Updated 2025-07-01 +Created 2025-02-11Each Bitcoin halving event prompts a few commemorative messages, much like a New Year's even event in the real world.
1st (2012):
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/in/0209.txt: nothing
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/in/0210.txt: nothing
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/out/0209.txt#L1111: nothing, not even any ASCII
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/in/0209.txt#L132a; void
2nd (2016):
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/in/0419.txt#L407: nothing
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/in/0420.txt#L1:
- block 420000: "Chandler Guo loves YangYang Jin". Presumably this dude: twitter.com/ChandlerGuo. Noted e.g. at: www.reddit.com/r/Bitcoin/comments/4s14po/the_first_14_block_is_a_profession_of_love/
- block 420001: "/BTCC/ Welcome to 12.5 BTC blocks! BTCC & Bitcoin Forever!".
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/out/0419.txt#L10011: a few
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/out/0420.txt#L1: a few
3rd (2020):
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/in/0629.txt#L407
- block 629999: contains the miner message for: This quotes the title of: www.nytimes.com/2020/04/09/business/economy/fed-economic-rescue-coronavirus.html is of course a nod to the Genesis block message. Noted by Forbes at: www.forbes.com/sites/colinharper/2020/05/11/bitcoins-halving-block-includes-a-message-to-remind-us-why-it-was-created/?sh=130f001f656a It was mined by the F2Pool Bitcoin mining pool. A few halving output messages can be seen in nearby regular transactions:
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/in/0630.txt#L1: nothing
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/out/0629.txt#L1111: a few
- github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/out/0630.txt#L1: a dozen such as:
- tx 0df655b7e50dc9a53c343308d1ca148d0bead993821dfe56a035aecd0c88b2ad "Happy 2020 Halving! Thank you Satoshi."
- tx 6c6c22b8fe87f1420df6d991f7b571fdaa29f7a95adbfbcfcb0644f1c8f7d82b "We love you forever @millsfogle"
- tx 70a8639bc9b743c0610d1231103a2f8e99f4a25670946b91f16c55a5373b37d1 "Happy 3rd halving! Thanks, Satoshi and COVID-19 GO AWAY! Bulgaria #1!!!"
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