Bitcoin staking and BTCfi, described accurately

Why this is not staking, and why the word gets used anyway

Staking, properly speaking, means committing a proof-of-stake asset to validate a blockchain that mints new units of that same asset as a reward. Ethereum does this. Solana does this. Bitcoin does not and cannot — it uses proof of work, its supply schedule is fixed, and there is no consensus role for a coin holder to perform.

So when Babylon, Core DAO and Stacks describe Bitcoin staking, they mean something different and genuinely novel: using Bitcoin's own scripting capability to lock BTC in a way that provides economic security to a different network, which then pays you in its token.

That is a legitimate and clever construction. It is also not what most people hear when they read "stake your Bitcoin and earn 3%", and the gap between those two understandings is where disappointment lives.

We use the industry's vocabulary on this page because that is what people search for. But every time you read "Bitcoin staking" here, read it as "committing Bitcoin to secure something else, in exchange for that something else's token".

How timelock protocols actually work

The technical achievement here is real and worth understanding, because it distinguishes these protocols sharply from wrapped Bitcoin.

Bitcoin's UTXO ledger supports time-lock scripts — conditions that prevent an output being spent until a specified point. Babylon uses these to create a commitment: your BTC is locked by a script you control, on the Bitcoin chain, with no third party ever holding the keys. If a validator you back misbehaves, the protocol's design allows a slashing condition to be enforced against that locked output.

The consequence is significant. There is no wrapping, no bridging and no custodian. Your Bitcoin never leaves Bitcoin. Every previous attempt to make BTC productive required handing it to someone — a custodian issuing a wrapped token, or a lending platform. This does not.

Core DAO and Stacks use comparable native-timelock approaches with different architectures. All three allow BTC to remain on Bitcoin layer one while being economically committed elsewhere.

Babylon has taken most of the traction. By Q2 2026 it held 56,853 BTC worth roughly $5.6 billion, having peaked above $7.1 billion earlier in the year. It has also been extending the model — including work on trustless vaults enabling native Bitcoin-backed lending in partnership with established DeFi protocols.

What each route pays

We have deliberately put the timelock protocols and the lending routes in one table, because the comparison only makes sense when you can see the reward denomination side by side.

The reward-token question

Everything about whether timelock staking is worthwhile reduces to one judgement: what do you think the reward token will be worth?

Babylon's yield of 1% to 3% is paid in BABY, funded by an 8% annual inflation rate split roughly equally between BTC stakers and BABY stakers. Core DAO pays in CORE, distributed on an 81-year emission schedule alongside transaction fees on the Core chain — and notably, without CORE's value, BTC-only staking yields there are minimal.

This is not a criticism of either protocol. Paying in your own token is the standard way a new network bootstraps security, and it aligns incentives sensibly. But it means the product you are buying is not a Bitcoin yield. It is a venture position in a new protocol, denominated in its token, collateralised by your willingness to timelock Bitcoin.

If the token appreciates, the effective return can be far higher than 3%. If it does not — and most new protocol tokens do not — the effective return is close to zero while your Bitcoin sat locked.

The wrapped alternative

The other way to make Bitcoin productive is to represent it on another chain. This has been around longer and has different trade-offs.

The landscape in 2026 includes BitGo's WBTC, launched in 2019 and still the largest by supply; Coinbase's cbBTC, which passed $6 billion in market capitalisation by June 2026 with custody at Coinbase Custody; Threshold's tBTC using distributed threshold cryptography; and Circle's cirBTC adding an institutional-grade wrapper. Each makes a different trade between custody centralisation and operational simplicity.

What you can do with them is where the value is. Aave and Morpho dominate wrapped Bitcoin lending, accepting WBTC and cbBTC as collateral for borrowing stablecoins and ETH. Supply APYs on Aave v3 have run between 0.5% and 2.5% on Ethereum mainnet, with some Morpho vault strategies reaching 3% to 4%.

The crucial difference from timelock protocols: wrapped BTC strategies pay in kind. You earn more Bitcoin exposure, not a different token. The cost is that you have introduced a custodian holding the underlying BTC, plus the smart contracts you use it in.

Is any of this worth it?

Our honest position, and it is not the enthusiastic one.

Timelock protocols are technically impressive and commercially speculative. The engineering — keeping Bitcoin on Bitcoin while providing economic security elsewhere — genuinely solves a problem nobody had solved before, and $5.6 billion of committed BTC suggests serious people agree. But the return is a new token at 1% to 3%, and that makes it a venture allocation rather than a yield strategy. If you would not buy BABY or CORE outright, you should think carefully about accepting them as payment.

Wrapped BTC in DeFi is useful mainly if you want to borrow. Earning 1% to 3% on wrapped Bitcoin, having added a custodian and a smart contract to the simplest asset in crypto, is a questionable trade for yield alone. Using WBTC as collateral to access liquidity without selling is a genuinely good use of the technology.

CeFi lending pays the most in Bitcoin terms and is the only route that clearly does what most people mean when they ask about earning on BTC. Up to 5.25% below 0.5 BTC from a lender publishing proof-of-reserves attestations is a real product. It also means handing custody to a company, which is precisely what many Bitcoin holders are trying to avoid.

And doing nothing remains a defensible answer. Bitcoin held in self-custody earns no yield and carries no counterparty risk. For an asset most people intend to hold for a decade, giving that up for two or three percent deserves more scrutiny than it usually gets.