Bitcoin’s next halving event is now less than 100 blocks away, according to The Block’s Bitcoin Halving Countdown page.

The estimated countdown is based on Bitcoin's average block generation time of 10 minutes, setting a potential time of just after midnight UTC on April 20 (8 p.m. ET today) to reach the halving block height of 840,000, as things stand.

Bitcoin halvings are programmed to occur automatically every 210,000 blocks — roughly every four years. Once a halving event occurs, miners receive 50% fewer bitcoins as a subsidy reward for every block of transactions they mine and add to the blockchain. However, they continue to earn additional transaction fee rewards for each block mined as normal.

There have been three halving events in Bitcoin's history, reducing its block subsidy …