What Happens After the Last Bitcoin Is Mined?
Published 2026-06-25
Bitcoin's protocol caps total supply at 21 million coins, with new coins issued to miners as a block reward that halves roughly every four years. Because this reward keeps halving indefinitely (approaching, but mathematically never quite reaching, zero in whole-coin terms), the last fractional satoshi is projected to be mined around the year 2140.
Today, miners are compensated through a combination of the block reward (newly issued coins) and transaction fees paid by users to have their transactions included in a block. As the block reward continues shrinking with each halving, transaction fees are expected to make up an increasingly large share of total miner compensation over time.
This raises a long-discussed question in the Bitcoin community: whether transaction fee revenue alone will be sufficient to incentivize enough mining activity to keep the network secure once block rewards approach zero. Proponents point to rising transaction volume and value secured on the network as reasons fee revenue could scale to meet the need; skeptics note this remains untested at the relevant scale and timeframe.
Because this transition plays out over more than a century, it is more a long-run structural question for the Bitcoin network than a near-term planning consideration for most individual investors — but it's a frequently referenced data point in discussions about Bitcoin's long-term design and incentive structure.
Frequently Asked Questions
When will the last Bitcoin be mined?
Based on the current halving schedule, the final fractional satoshi is projected to be mined around the year 2140, though this is a mathematical projection based on current network parameters, not a guarantee.
Will Bitcoin mining stop entirely after that?
No — miners are expected to continue operating and be compensated through transaction fees alone once the block reward approaches zero, though the long-term sufficiency of fee revenue for network security remains a subject of ongoing debate.