A block reward is the compensation given to a miner or validator for successfully adding a new block to a blockchain. It serves as an incentive to secure the network and process transactions. This reward is typically made up of newly created coins and, in many cases, transaction fees included in the block.

A block reward incentivizes participants to validate transactions and maintain the blockchain.

When a participant successfully validates a block, they receive the block reward as payment for their computational work or staked capital. In Proof of Work systems like Bitcoin, miners compete to solve complex mathematical problems, while in Proof of Stake systems, validators are selected based on the amount of cryptocurrency they lock up. Over time, block rewards can decrease through mechanisms like halving, reducing the supply of new coins entering the market. This system helps control inflation while ensuring that the network remains secure and continues to function properly.

Short example:

Suppose a miner successfully validates a new Bitcoin block.

As a reward, the miner receives a fixed amount of newly created Bitcoin along with the transaction fees from that block.

This reward compensates the miner for their work and encourages continued participation in securing the network.

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