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Block Reward

The cryptocurrency awarded to miners or validators for successfully adding a new block.

A block reward is the amount of cryptocurrency that a miner (in Proof of Work) or validator (in Proof of Stake) receives for successfully creating a new block on the blockchain. It serves as the primary incentive for securing the network.

Components

Block Subsidy: Newly minted coins created with each block. This is the main component of the reward.

Transaction Fees: Fees paid by users for their transactions to be included in the block.

Bitcoin Block Rewards

Bitcoin's block reward started at 50 BTC per block in 2009 and halves approximately every 210,000 blocks (roughly four years). The 2024 halving reduced it to 3.125 BTC. This halving mechanism ensures Bitcoin's supply approaches but never reaches 21 million.

Economic Significance

Block rewards are the mechanism through which new cryptocurrency enters circulation. They must be large enough to incentivize miners/validators to secure the network, but the gradual reduction in block subsidies means transaction fees must eventually sustain network security on their own.

Frequently Asked Questions

What is a block reward?

A block reward is the cryptocurrency paid to miners or validators for successfully creating a new block. It typically consists of newly minted coins (block subsidy) plus transaction fees from all included transactions.

How do block rewards change over time?

Many cryptocurrencies reduce block rewards over time. Bitcoin halves its reward approximately every four years — from 50 BTC initially to 3.125 BTC after the 2024 halving — creating a predictable disinflationary supply schedule.

Related Terms

Block

A container of transaction data that is permanently recorded on a blockchain.

Block Height

The sequential number of a block in the blockchain, counting from the genesis block.

Halving

A scheduled event that cuts the block reward for mining Bitcoin in half.

Inflationary

A cryptocurrency whose total supply increases over time through new token creation.

Mining

The process of validating transactions and creating new blocks using computational power.

Mining Pool

A group of miners who combine computational resources to mine more effectively.

Proof of Work

A consensus mechanism where miners solve puzzles using computational power to validate transactions.

Transaction Fee

A fee paid to miners or validators for processing a blockchain transaction.

Validator

A network participant responsible for verifying transactions and producing blocks.