Emission

Emission is the mechanism a blockchain uses to mint new units of its native asset and release them into circulation, and unlike a corporate dividend or a central bank's money supply decision, it is written directly into the protocol's consensus rules rather than set by any company or committee.

Proof-of-work networks typically emit coins as a block reward paid to miners. Bitcoin is the clearest case: its reward started at 50 BTC per block in 2009 and halves roughly every four years, cutting to 3.125 BTC after the April 2024 halving, with the next reduction to 1.5625 BTC expected around 2028. That step-down curve pushes Bitcoin's emission rate lower on a fixed schedule until its 21 million cap is reached near the year 2140.

Ethereum illustrates a different model. Validators earn newly issued ETH as staking rewards, while a portion of transaction fees is simultaneously burned. When burning outpaces issuance, total supply can turn briefly deflationary; when network activity and fee burn are low, issuance outweighs burns and supply drifts into mild net inflation, a balance that has shifted in both directions since the 2022 Merge.

Not every asset follows a programmed curve. Many stablecoins are minted on demand against reserves rather than a scheduled emission, and some governance tokens use fixed annual inflation or gradually disinflationary release rates instead of a hard cap. Because emission directly shapes future circulating supply and dilution, it is one of the first factors analysts check when weighing a project's long-term tokenomics.