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UTXOHub

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.

May 2021

This month
May 2021, dates in UTC
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Events in May 2021

Tuesday 11 May2000 days ago

  • The third halving, 2020

    1 year ago. At block 630,000 the reward for mining a block fell from 12.5 to 6.25 bitcoin, the third halving.

    NetworkSee block 630,000SourceBitcoin Core source, nSubsidyHalvingInterval = 210000

Wednesday 12 May1999 days ago

  • Tesla stops taking bitcoin

    Elon Musk said on Twitter that Tesla would stop accepting bitcoin for car purchases, less than two months after it started, citing the growing use of fossil fuels, especially coal, to mine bitcoin. He said Tesla would keep the bitcoin it held and accept it again once mining moved to more sustainable energy.

    Markets · 22:06 UTCSourceX, Elon Musk, "Tesla & Bitcoin", 12 May 2021

Friday 21 May1990 days ago

  • China's cabinet calls for a bitcoin mining crackdown

    A State Council committee on financial stability, chaired by Vice Premier Liu He, called for a crackdown on bitcoin mining and trading.

    PolicySourceChinese government website, 21 May 2021 (Chinese)

Saturday 22 May1989 days ago