From Dual Stacking to Bitcoin Staking: What's Changing and Why

Stacks Labs published the Bitcoin Staking whitepaper. Here's how that impacts the Dual Stacking rewards program and what it means for the Stacks community.

The Short Version

Dual Stacking was a production pilot. It worked. Over $100M in capital participated, and Bitcoin holders demonstrated clear demand for earning BTC through Stacks' miner flows.

Now that design is evolving into its permanent form: Bitcoin Staking.

The core of what made Dual Stacking work, pairing BTC and STX to generate Bitcoin-denominated yield through Proof of Transfer, carries forward. The structure around it is getting simpler, more transparent, and more directly tied to the protocol.

This post explains what we learned, what's changing, and what you need to do.

What Dual Stacking Proved

Dual Stacking ran for seven months in production. It was designed to be iterative, to test whether pairing BTC and STX could generate sustainable yield rooted in Proof of Transfer before committing to a permanent structure.

Three things became clear.

The BTC + STX pairing works. The relationship between the two assets is the foundation of the model. Pairing them creates a structured claim on miner yield that neither asset produces alone. This is the insight that Bitcoin Staking is built on.

Sustainable yield comes from Proof of Transfer. Stacks' defining feature is that miners commit real BTC through consensus approximately every 10 minutes. Yield tied directly to these miner flows is durable because it is rooted in the economic engine of the network itself, not in external incentive programs.

The STX ratio matters. Dual Stacking demonstrated that the amount of STX paired with BTC meaningfully impacts yield through a curve-based multiplier. That mechanism worked and validated the design principle behind protocol bonds.

What's Changing

Bitcoin Staking takes the core of Dual Stacking and rebuilds it as a permanent, protocol native system. Here are the specific changes.

Protocol bonds replace the pilot structure

The BTC + STX pairing is formalized as a protocol bond. BTC is locked on Bitcoin L1 via a standard timelock. STX is locked on Stacks at approximately 5% of the BTC position value. Together, they create a structured position with senior priority on yield through a waterfall: protocol bond holders are paid first, STX only stakers are paid next, and a reserve fund buffers cycle-to-cycle variability.

The DeFi multiplier is being removed

Dual Stacking included a separate 10x DeFi multiplier that layered additional incentives on top of the base yield. This multiplier will no longer apply after Bitcoin Staking activation.

The reason is straightforward: Bitcoin Staking is designed around yield that comes directly from Proof of Transfer miner flows. Layered DeFi multipliers served a purpose during the pilot, they helped attract participation and test different incentive structures, but they are not part of the protocol-native yield model going forward. The goal is a system where the yield source is clear, verifiable, and sustainable without external boosts.

Existing locks are released

At Bitcoin Staking activation, all existing stacking locks from prior PoX versions are released. This follows the precedent set by prior PoX upgrades. Participants who wish to continue must re- enroll, either as STX only stakers or by creating a protocol bond (pairing BTC + STX).

Yield is structured through a waterfall

Under Dual Stacking, yield distribution was relatively flat. Under Bitcoin Staking, yield follows a priority structure:

First: Protocol bond holders are paid at the clearing yield rate each reward cycle (approximately every 28 days). This is the senior tranche.

Second: STX only stakers are paid next from the remaining miner BTC pool.

Third: A reserve fund sets aside 15% of excess revenue to buffer future cycles.

This structure means protocol bond holders receive more predictable yield, while STX only stakers absorb more variability.

What This Means for You

If you are currently in Dual Stacking with a BTC + STX pairing

You will need to re-enroll by creating a protocol bond once Bitcoin Staking activates. Your existing locks will be released. The pairing concept is the same, but the mechanism is new, so enrollment is required.

If you are an STX only staker

You can continue staking STX without pairing it with BTC. Your yield will come from the second position in the waterfall, after protocol bond holders are paid. Yield will be more variable than before, but the community is paid before the reserve fund.

You should evaluate whether creating a protocol bond (pairing your STX with BTC) better aligns with your goals. Protocol bonds receive senior priority on yield.

If you previously earned rewards through the DeFi multiplier

That multiplier will no longer apply after Bitcoin Staking activation. Your base yield from Proof of Transfer miner flows continues, but the additional DeFi boost does not carry forward.

Why This Matters

The goal of Stacks, sBTC, and this entire line of development has always been the same: make Bitcoin productive without compromising its principles.

Dual Stacking proved the concept. Bitcoin Staking makes it permanent. The yield comes from miners, not incentive programs. BTC stays on Bitcoin, under the holder's own keys. The structure is transparent, onchain, and independently verifiable.

For the Stacks community, this is the transition from pilot to infrastructure. The mechanism that makes Bitcoin a yield-bearing asset is now built into the protocol.

Read the full Bitcoin Staking Whitepaper.

Read next: Learn how protocol bonds work | Bitcoin Staking Explained

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