Bitcoin calendar.
Halvings and network upgrades, the US releases that move markets, conferences, and the anniversaries of Bitcoin's history. Dates are in UTC.
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BTC Balkans
ConferencesSunday 1 November
A two-day, community-run Bitcoin conference for the Balkans, with keynotes, panels and workshops.
April 2026
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8Morgan Stanley ETFNYT names Back | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19Bitcoin Core 31 |
| 20The fourth halving, 2024 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 |
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Events in April 2026
Wednesday 8 April207 days ago
Morgan Stanley launches a spot bitcoin ETF
Morgan Stanley's own spot bitcoin ETF, MSBT, began trading with a 0.14% annual fee, which the bank called the lowest for any bitcoin fund at the time. It took in about $34 million on its first day.
MarketsSourceThe Block, Morgan Stanley's low-cost spot Bitcoin ETF launches (8 Apr 2026)
The New York Times names Adam Back as Satoshi; he denies it
The New York Times published an investigation by John Carreyrou arguing that Adam Back, the British cryptographer who invented hashcash, is Satoshi Nakamoto. Back answered on X the same morning: "i'm not satoshi".
Milestones · 04:00 UTCSourceThe New York Times (John Carreyrou), investigation naming Adam Back (8 Apr 2026, published 04:00 UTC; Wayback Machine copy)
Sunday 19 April196 days ago
Bitcoin Core 31.0 rebuilds the mempool
Bitcoin Core 31.0 was released with "cluster mempool", a rebuilt system for holding unconfirmed transactions that groups related ones and ranks them by the fees miners would earn. It also added an option to send your own transactions only over Tor or I2P, hiding your IP address.
NetworkSourceBitcoin Core 31.0 release notes (published April 19, 2026)
Monday 20 April195 days ago
The fourth halving, 2024
2 years ago. At block 840,000 the reward for mining a block fell from 6.25 to 3.125 bitcoin, the fourth halving.
NetworkSee block 840,000SourceBitcoin Core source, nSubsidyHalvingInterval = 210000