Linked Questions

4 votes
2 answers
3k views

Where is the bitcoin source code is the 21 million hard cap stated?

I'd like to be able to see the 21,000,000 number.
Eoin's user avatar
  • 349
1 vote
2 answers
73 views

Sum of block values not zero?

Take for e.g. block 163440. The amount paid out in the coinbase transaction is not reward+fees. Does the network not require blocks to have a sum of zero for all transactions + block reward? ...
ManuelSchneid3r's user avatar
2 votes
2 answers
189 views

Don't understand fees on a particular bitcoin block

I am comparing and contrasting blocks 200000 and 164246 of the bitcoin blockchain (looking via the bitcoind api or https://www.blockchain.com/explorer?utm_campaign=expnav_explorer is fine). Looking at ...
Andrew's user avatar
  • 23
5 votes
1 answer
849 views

Verifying Block 124724

Just for my own educational purposes, I'm writing something that verifies the blocks on the blockchain. I had in my code this line: assert coinbase_amount == block_reward + total_tip And it succeeded ...
bnsh's user avatar
  • 193
0 votes
2 answers
100 views

How are there over 18M bitcoins when the reward halves every 210,000 bitcoins?

A quick google search told me that up to today, more than 18.78 million bitcoins have been mined. Source Another google search told me that today, the mining reward is 6.25 bitcoin per block. If the ...
Erin's user avatar
  • 15
0 votes
1 answer
126 views

How to calculate circulating supply of coins in Bitcoin?

I am not able to understand how circulating supply is calculated by websites like CoinGecko. What does circulating supply mean here - is it the number of coins already minted? If so, how is that ...
Aviral Srivastava's user avatar
0 votes
1 answer
41 views

Get the historic circulated suppy

I'm looking for the historic circulated supply of Bitcoin. I'm aware I can get the current supply by creating my own node. But I need the supply at a given date. Does anyone know of an API to get it....
johnny 5's user avatar
  • 103
0 votes
0 answers
61 views

Does Blockchain.info's "totalbc" API value account for "lost" Bitcoins?

totalbc - Total Bitcoins in circulation (delayed by up to 1 hour]) Source: https://blockchain.info/q/ https://blockchain.info/q/totalbc 1865520600000000 It seems like it actually gives the value in ...
D P's user avatar
  • 1
4 votes
1 answer
1k views

How do you calculate when 98% of Bitcoin will be mined?

Trying to find a calculation to work out what year will an arbitrary percentage of bitcoin will be mined, specifically 98%. I know it takes 10 minutes to mine 1 block but unsure how to use this? Thank ...
Saihdev's user avatar
  • 41
2 votes
1 answer
520 views

What happens to a coinbase transaction when no address is given?

The transaction block This coin base transaction has no valid address for reward. Did we lose that reward bitcoin forever?
Sreeraj Chundayil's user avatar
5 votes
1 answer
645 views

Who decides the block reward in Bitcoin?

I know that when a miner mines a block, he will be rewarded with some bitcoins. But who decides how much bitcoin he will get? If it is decided by all the miners (as they are the ones verifying ...
Shivam Goyal's user avatar
2 votes
1 answer
478 views

Is there a 'command' to get the max supply of bitcoin that will ever exist using the bitcoin-cli?

I would like to know if there a way('command') to know what is the max supply of bitcoin using my own node without trusting a third party. Also if anyone could explain to me why : bitcoin-cli ...
Lebowski's user avatar
5 votes
3 answers
947 views

How to calculate coin supply at each block height from all transactions?

We are working on a small project and imported all block information to mongoDB. Right now we're aiming to calculate the coin supply regarding to the block number. My plan is to loop through all ...
pr0logas's user avatar
  • 180
2 votes
1 answer
218 views

Genesis block coinbase transaction without confirmations

Why the coinbase transaction, comming from the genesis block, don't have confirmations? All the others coinbase transactions have confirmations, but not in the Genesis block.
user1710825's user avatar
1 vote
1 answer
70 views

Is it technically possible to change the total amount of Bitcoin?

Also, is it possible to change the reward cycle duration or the number of mining- reward coins?
H Akhali's user avatar

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