The Supply of Bitcoin Is Limited to 21 Million In fact, there are only 21 million bitcoins that can be mined in total.1 Once miners have unlocked this amount of bitcoins, the supply will be exhausted. However, it’s possible that bitcoin’s protocol will be changed to allow for a larger supply.
What is block height in Bitcoin?
Block height is defined as the number of blocks in the chain between any given block and the very first block in the blockchain. Blockchain is revolutionary technology for creating permanent, secure digital recordings. It can record any information, but it started with recording bitcoin transactions.