There are so many similar topics that discuss this sample this one How will Bitcoin survive after all 21M coins have been mined?
Or this one 21.000.000 Bitcoin!

It would be better to read each post from these threads so that other questions in your mind are also answered


Miners are one of the Bitcoin transaction life cycles including nodes without them Bitcoin transactions will never be confirmed.

Sure, miners will still be there, blocks need to be found for the transactions to be confirmed. Otherwise, transactions would be stucked in the mempool forever.

But I think it is not going to happen before the year 2136 (or 2140, not sure of the exact date)

After this date, as IIrik11 said, they will no longer receive block rewards, but only transaction fees. The fees are not negligible for the miners, even if the price doesn't go up much more. It's more the adoption and usage of the blockchain that counts, recently we saw blocks with a reward (block reward + fees) that went from 8 to 11 BTC. Huge reward per block, even with fees only. Imagine the same reward with a BTC at 60 or 100k

However, the real question is, will BTC still be needed and useful in 2140? And for the time being, I don't think anyone will be able to answer that question with any guarantee.

You are right, and bitcoin miners make money through block rewards, transaction fees, profitability and costs, remember this.

       Just always remember that bitcoin miners are responsible for adding and verifying transactions on the bitcoin blockchain. And the purpose why they do this is because they solve complex math problems. so in return for what they do they are rewarded with bitcoin.

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[1] Job of the Bitcoin Miners

At the end of the day, those who find mining unprofitable will quit. I don't think things will change that much even after block rewards are gone. I wouldn't be surprised if we see a drop in hash rate or something similar though. You can't force people to mine just for the sake of keeping the network secure since most people are here for profit. Will this going to be a problem? I do see the possibility of some problems happening, but it is definitely not unsolvable. CMIIW.

Thank you, @Z390, for this thread. It was just about creating a similar thread for clarification about the mining reward for the last Bitcoin halving and possibly all Bitcoin mined. I don't know how long they will be, but out of curiosity, I always wanted to ask about it.

I still have one of my curiosity questions unanswered. To some point, I always think that there might be a greater reward for miners since they will only be earning from transaction fees. Can't they be tempted to increase the amount they can charge per transaction? In order to earn high fees from those that want their transaction to be confirmed and don't run a node of their own.

That's not the miner's duty, they existed to only make transactions from one to another block successful, there is no way miners can give senders fee they should pay, this would have cause a disrupt in Bitcoin since the beginning.

Bitcoin miners will be fine with the fees only, the reward may be lower but I doubt, if Bitcoin survives to the very end it means there will be over 10 million users already using Bitcoin so the higher the number of Bitcoin users the more transactions will be needed to transact per day and that's more rewards for miners.

It's no doubt, Bitcoin miners will be in safe hands.

I am really not sure if you have read the question correctly or not but they are asking about the future of miners when they are done mining 21 million bitcoins which is the limited number of bitcoin we could have. In reality, miners do have the job of confirming our transactions and the confirmation is unlimited times, from one peer to another peer, the cycle goes on and that is why we keep seeing old transactions with thousands of confirmation done already. Thats because they were confirmed by that many times with high confidence level.

Miners will still continue to confirm the transactions because of the PoW algorithm of the bitcoin. If in theory bitcoin turns into PoS then miners will be done forever other wise they would still exist.

1000% Agree  We all be dead when the bitcoin reached its limit unless we have some of potion from alien to watch this moment hehehe.

The simplest answer I think

Miner will be there but they will have efficient mining and big farms might cease to exist only small miners who will get from the transaction fees. and the price of bitcoin might be crazy at that time or the community has new consensus system I don't no like move to PoS but without adding more coin but this is high unlike to happen

The reward to fee ratio has changed bigly.

50 reward .02 fees
25 reward .04 fees
12.5 reward .08 fees
6.25 reward .15 fees

those are average fee numbers.

I think by 2056 we will have issues with very low rewards and fees will not cover the miners