sBTC Staking Explained: How to Earn Bitcoin Rewards on Bitcoin

Every way to earn on Bitcoin has asked you for the same thing first. Wrap it into something else. Bridge it somewhere else. Or send it to a company that pays you interest right up until the week it stops.

Bitcoin staking on Stacks does not work that way, and the reason is worth understanding. The Bitcoin paying you was never yours. It belongs to miners, and they were spending it either way.

The yield was already being paid. It went somewhere else.

Stacks runs on Proof of Transfer. Miners who want to produce a Stacks block do not burn electricity to compete for it. They spend Bitcoin. Roughly every ten minutes, miners commit BTC for the right to mine, and that Bitcoin goes to the people securing the network.

This has been running since January 2021. Nobody is funding it out of a treasury and nobody has to keep choosing to fund it. As long as there is competition to mine Stacks blocks, Bitcoin flows to participants.

The PoX-5 upgrade changed who receives it. Before, you needed STX. Now Bitcoin can be committed directly, and the rewards accrue to the Bitcoin side of the position.

sBTC is Bitcoin on Stacks, and it is a tradeoff

sBTC is Bitcoin on the Stacks layer, backed one to one and redeemable for BTC.

Be precise about what that means, because this audience has been lied to before by people rounding off. sBTC is not native Bitcoin sitting on the Bitcoin blockchain. It is a representation, and a signer set holds the underlying BTC and processes deposits and withdrawals. That is a trust assumption. It is a different one from a lending desk and a smaller one than a custodial exchange, but it is not zero, and anyone who tells you it is zero is selling something.

What you get for it is speed and composability. sBTC settles at Stacks speed, works inside Stacks contracts, and a stake is one transaction instead of a sequence across two chains.

Native Bitcoin staking, where BTC locks directly on L1 via P2WSH and OP_CLTV under your own keys, is a separate path with a different set of tradeoffs. It is coming later.

The STX pairing is not collateral, and under-pairing costs you

A position is Bitcoin plus STX worth roughly five percent of it. You deposit both into the pool contract in a single transaction.

The STX is not collateral and it is not a fee. It establishes eligibility and links the position to a Stacks identity so the protocol can compute what you are owed. It earns nothing itself. All of the yield accrues to the Bitcoin.

Here is the part people miss. The pairing is proportional. If your STX falls below the ratio and you do not top it up, you do not get kicked out. You receive fewer rewards than your Bitcoin would otherwise earn. The position keeps working, it just works at a discount.

Most Bitcoin holders do not hold STX. You can acquire exactly the shortfall inside the staking flow rather than going to an exchange first.

Rewards land weekly, and the asset you choose matters more than it looks

Distributions run roughly every week, every 1,050 Bitcoin blocks. They arrive automatically. There is no claim step.

You pick which asset they land in, BTC or sBTC. That choice looks cosmetic and is not.

Bitcoin transaction fees are fixed regardless of how much you are moving. On a small position, a weekly reward can be close to dust, and the fee to deliver it eats a real share of what you earned. Rewards in sBTC are much cheaper to distribute, so more of what you earned actually reaches you. You can convert sBTC to Bitcoin whenever you want, at whatever fee you choose to pay, in one transaction rather than fifty-two.

If your position is large, take BTC. If it is small, sBTC will leave you with more Bitcoin at the end of the year than BTC will.

The protocol targets around three percent APY. Treat that as a target and not a floor. What you earn depends on how much Bitcoin miners commit and how much capital is staked next to you. There is no slashing, so principal is not put at risk by protocol behaviour. Only the yield moves.

You can take it back out

The position supports withdrawal, full or partial. Pull some of your sBTC out and the position keeps its accounting. Only the balance shrinks.

That is not how most yield products in this category work, and it is worth weighing against the six month commitment the native L1 path requires.

What is still early

sBTC carries a peg assumption. The signer set is a dependency. If that is a dependency you will not take, wait for the native L1 path.

The pool contract holds your deposit. Your sBTC and STX go into a contract for the duration of the position. That is a different security model from Bitcoin sitting in an address you control, and it is the honest reason the native L1 path exists.

You are taking STX price exposure. The pairing is about five percent of the position. Total return is the Bitcoin yield minus the STX price move times five percent. The whitepaper does not hide this and neither should anyone describing it.

The contracts are new. Proof of Transfer has five years of production history. The staking contracts built on top of it have weeks. That is the kind of risk that does not announce itself in advance.

Nobody should participate without weighing those four things. A product that buries them is telling you something about itself.

Where this sits right now

The Genesis Bond, the first period under the new model, runs during Stacks reward cycle 143 and opens at Bitcoin block 966,350, around 10 September 2026. Enrollment closes the day before. First rewards are projected around 17 September.

After that, periods run on a rolling basis with several active at once and a new one opening roughly monthly. Missing one costs you time, not access.

Where Xverse fits

Xverse is a self-custodial Bitcoin neobank. You hold Bitcoin, earn on it, borrow against it, swap, and soon spend it with the Card, from one account across Bitcoin L1, Stacks, Starknet and Spark.

Bitcoin staking sits inside Earn next to everything else, which means the STX pairing is acquirable in the same flow and the position shows up in the same portfolio as the rest of your Bitcoin. Xverse also runs the largest STX stacking pool on Stacks. More STX is staked through Xverse than through any other pool, which anyone can verify onchain. That is five years of running this specific protocol, not a claim about the future.

Download Xverse

The point

Bitcoin has spent fifteen years as the only major asset with no native way to earn, and every product built to fix that solved it by making you stop holding Bitcoin.

Getting paid in Bitcoin, out of Bitcoin that was already changing hands between miners, is the first version of this that does not require that trade. It is early, the tradeoffs are real, and they are listed above. But the mechanism is public, it has been running for five years, and anyone can check it.