Bitcoin Holiday Calendar
February
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13
Zap NIP Day
February 13th, 2023
On this day the Bitcoin Lightning Network is wedded to the Nostr network. Damus developer William Cassarin's' Lightning Zaps NIP-57 is merged to the Nostr NIP repo. NIP-57 allows lightning invoice receipts, which enable display of LN payments on the Nostr network.

Read NIP-57 Lightning Zaps" here. Try out Lightning Zaps on Nostr app Damus.
Bitcoin Holiday
19
The Trillion Dollar Day
February 19th, 2021
On this day in 2021, the market cap of the entire Bitcoin network surpassed $1-trillion USD.
Bitcoin Holiday
24
The death of Mt. Gox
February 24th, 2013
On this day in 2013, Mt. Gox, the largest bitcoin exchange in the world, went offline due to insolvency. At the time, Mt. Gox was the most widely used bitcoin currency exchange market. Mt. Gox closed February 25, 2014 and has since filed for bankruptcy protection in Japan and the United States, after losing 640 thousand bitcoins.
25
Lightning Pizza Day
February 25th, 2018
Eight years after buying pizza with the first real world bitcoin purchase, Lazlo Hanyecz returns to buy pizza over the Lightning Network.
Bitcoin Holiday