To add a new blockBlocks hold batches of valid transactions that are hashed an... More to the chain, miners must compete to solve a difficult mathematical puzzle, using intense computational power via their computers, which consumes energy (electricity). The first miner who solves this puzzle and broadcasts this to the network is rewarded with an amount of BitcoinBitcoin is a digital currency (also called crypto-currency) ... More (block rewardWhat is a Block Reward? A block reward is the reward a miner... More) which is presently 6.25 BTC per each new block.