[stephanlivera]

Bitcoin's block reward has two components: block subsidy + miner fees.

Over time, most bitcoiners foresee the transaction volume and demand rising, such that miner fees will compensate for the reduction in block subsidy.

So once we get to the end of new supply around 2140, the system will sustain from ongoing transaction fees.

Dan Held and I explore this in this interview if you're interested: https://stephanlivera.com/episode/81/