Linked Questions

0
votes
1answer
337 views

What is the mathematics behind the maximum number of 21 million bitcoins that can be generated? [duplicate]

How is this number 21 million bitcoins arrived at? What is the mathematics behind this number? Or is this number a constant that can be changed in the source code?
59
votes
7answers
156k views

How many bitcoins will there eventually be?

Since bitcoins are being regularly rewarded to miners, will the number of bitcoins continue to grow indefinitely, or will there be a maximum total number of bitcoins in existence? And if there is ...
41
votes
5answers
26k views

What will happen to mining after the 20 999 999th Bitcoin?

After the 21 millionth bitcoin or 20,999,999th bitcoin is mined, what will happen to bitcoin mining? - will it just stop, or will we make a further division of the satoshi thanks to Bitcoin's infinite ...
34
votes
4answers
11k views

Why can’t the genesis block coinbase be spent?

According to the bitcoin wiki: The first 50BTC block reward went to address 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa, though this reward can't be spent due to a quirk in the way that the genesis block is ...
15
votes
1answer
1k views

What happens when a miner does not claim all fees/generated coins?

Suppose that a miner for some reason has the generation transaction of their blocks not take all the possible coins. This can happen for a variety of reasons, almost all of which are bugs: An off-by-...
2
votes
3answers
11k views

How many bitcoins are there currently in circulation?

Where do I find the total number of bitcoins currently out there?
10
votes
2answers
2k views

Can someone explain this weird mining activity?

I can't figure why this block has 0 coinbase with 0 transactions... however still a valid block? Or it it empty? According to whalepanda this coinbase was sacrificed by unknown miner. See the block ...
7
votes
1answer
268 views

Why would a Bitcoin miner take less than the full reward?

In "Mastering Bitcoin", the author notes (source): The maximum number of coins mined is the upper limit of possible mining rewards for bitcoin. In practice, a miner may intentionally mine a block ...
3
votes
1answer
186 views

Why does Bitcoin block 526,591 have a 6.25 (instead of 12.5) block reward?

https://chain.so/block/BTC/0000000000000000002ba5a1fb96f93e6c215d62db4280f1cbd30e82c7c71fba https://blockchair.com/bitcoin/block/526591 It's an empty block (zero transactions), but the coinbase ...
2
votes
1answer
248 views

Can a miner refuse it's reward? [duplicate]

As of 2014, miners that successfully mine a block are entitled to 25 bitcoins. Can miners refuse to receive those 25 bitcoins, thereby reducing the total number of bitcoins that will ever be mined?
0
votes
1answer
222 views

How does market cap of currency decrease?

According to my knowledge, once a currency is mined, its already released so how does market cap change? Consider if Sathosi (the founder of bitcoin) sells all his 1 million coins, there will be ...
2
votes
1answer
181 views

relating the UTXO set to the total supply of bitcoins

If the number of Bitcoins in the UTXO is always equal to the number of mined Bitcoins See: How is a wallet's balance computed? then why do the number of bitcoins mined depicted here: https://...
3
votes
1answer
122 views

Why was BIP34 (Block v2, Height in Coinbase) not implemented via the coinbase tx's locktime or nSequence?

At some point in 2011/12 miners started using custom mining algorithms ignoring the best practise to mine to a different new public key (hash) for each subsequent block. This lead to a lack of ...
4
votes
2answers
91 views

How do fees get processed in bitcoin? (protocol question)

If the fee isn’t written into the ledger, and it’s just the difference between the input transaction amount and the output transaction amount, how does the miner prove he has access in his wallet to ...
1
vote
1answer
235 views

Will mining be viable after the halving?

So I don't understand the halving very well, will miners just make half as much? Will the price double or the difficulty change? Will bitcoin mining just become so hard it ceases to be cost effective? ...

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