Decred (DCR)

What Decred is

Decred is a blockchain whose consensus and whose governance are both split between miners and stakeholders. Its documentation defines the project as "a blockchain-based cryptocurrency with a strong focus on community input, open governance, and sustainable funding for development," and gives the pronunciation as "dee-cred" (source: Decred documentation, read September 2026).

The mechanism that makes Decred unusual is a hybrid consensus in which proof of work miners produce blocks but proof of stake voters must approve them. A block that voters reject does not count. That single rule is what gives stakeholders a standing veto rather than a periodic vote, and it is why the block reward is split so heavily toward voters.

Decred also funds itself from the block reward. Ten percent of every subsidy goes to a treasury that ticket holders spend through Politeia, the project's proposal system.

For where to buy Decred from your country or state, see the availability tables on this page and the venues listed at Exchanges.

How it works

Blocks arrive roughly every 5 minutes, mined by proof-of-work in the ordinary way. What happens next is the difference. Holders time-lock DCR to buy tickets, and the documentation describes the process: "Tickets are randomly called to vote on-chain; this involves both approving the work of PoW miners and voting Yes/No on any open rule change proposals."

Five tickets are called per block. Their votes do two jobs at once. They ratify the previous block, which is what keeps a miner from imposing a chain that stakeholders reject, and they register a position on any consensus rule change currently open for voting. Because voting is bound to a ticket that had to be bought with locked DCR, buying influence means committing capital and waiting.

The block reward split follows directly from that division of labor. The documentation gives the current allocation as 1% to proof-of-work miners, 89% to proof-of-stake voters distributed as 17.8% to each of the five voters, and 10% to the Decred Treasury, an allocation it dates from block 794,368. Miners take a small share because, under this design, mining is the cheaper half of the security budget.

Rule changes are not the same as spending decisions, and Decred separates them. Consensus rule changes are voted on-chain by tickets. Treasury spending runs through Politeia, where the documentation says "Holders of live tickets decide how that treasury is used through Politeia proposals and voting." Above both sits the Decred Constitution, which the documentation describes as establishing founding principles amendable by community proposal.

Supply and tokenomics

Decred's issuance schedule is a smooth decay rather than a series of halvings. The documentation gives an initial block subsidy of 31.19582664 DCR and says the reward "adjusts every 6,144 blocks (approximately 21.33 days) by reducing by a factor of 100/101."

That is a reduction of just under 1% roughly every three weeks. Compared with a chain that cuts its subsidy in half every four years, the supply curve has no cliffs in it, so miner revenue never drops by 50% overnight.

The launch distribution is documented rather than glossed over. The documentation records a premine of 1,680,000 DCR distributed at block 1 on 8 February 2016, and adds a detail that explains its structure: "there was no block reward for proof-of-work miners in block 1, which allowed miners to voluntarily choose whether or not to accept the terms of the airdrop." Miners who disagreed with the premine could have declined to build on it.

Across the whole schedule the shares even out. The documentation gives the final effective distribution of all mined coins as 40.34% to proof-of-work miners, 49.63% to proof-of-stake voters and 10% to the treasury, because the current 1/89/10 split has not applied for the chain's entire history.

History

Decred launched in February 2016 with the hybrid consensus and the treasury already in place, which is unusual: most projects that added on-chain governance did so later, by fork or by bolting a token vote onto an existing chain. Here the ticket system, the reward split and the development fund were part of the genesis design.

The reward split has moved over time, which is why the documentation states both the current 1/89/10 allocation and the different lifetime figures of 40.34%, 49.63% and 10%. The direction of travel has been toward voters and away from miners, consistent with a design that treats stakeholder ratification as the binding constraint and mining as the ordering mechanism.

Politeia extended the same idea from consensus rules to money. Ticket holders vote on how treasury funds are spent, so the people who secure the chain are also the people who fund its development, and the funding does not depend on a foundation's discretion or on a fresh token sale.

Risks and what to watch

Ticket participation is the number that determines how much the stakeholder veto is actually worth. If few holders buy tickets, the pool of voters ratifying blocks is small, and a governance mechanism that depends on broad participation delivers less than its design implies.

Mining concentration still matters even at a 1% reward share. Voters ratify blocks but miners produce them, so the hash rate distribution governs who gets to propose in the first place, and a low reward share can mean fewer independent miners rather than more.

The treasury is a standing pool of funds controlled by a vote. That is the point of it, but it also means the spending decisions of ticket holders are a real dependency for the project's development, and a governance capture problem would be a funding problem as well.

Finally, the long emission tail changes the security question over time. With the last block reward not arriving until September 2120, the subsidy declines slowly and never stops abruptly, but it does decline, and what replaces it eventually is transaction fees.

Frequently asked questions

How is Decred's block reward divided?

The documentation gives the current split as 1% to proof-of-work miners, 89% to proof-of-stake voters at 17.8% for each of five voters, and 10% to the Decred Treasury, dated from block 794,368.

What is a Decred ticket?

DCR time-locked to obtain a vote. Tickets are called at random to vote on-chain, approving the previous block's proof-of-work and registering a Yes or No on any open consensus rule change.

Does Decred have a maximum supply?

Yes. The documentation gives 20,999,999.98387408 DCR, with the last block reward created in September 2120. The subsidy falls by a factor of 100/101 every 6,144 blocks.

Was there a premine?

Yes. The documentation records 1,680,000 DCR distributed at block 1 on 8 February 2016, with no proof-of-work reward in that block so miners could choose whether to accept the airdrop's terms.

Where can you buy Decred?

Availability depends on your country or US state. See where to buy Decred for the exchanges serving your jurisdiction, and Exchanges to compare fees, kyc requirements and supported payment methods.