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Stacks sBTC Review 2026: 1:1 Bitcoin-Pegged Token for DeFi

sBTC is a SIP-010 token on the Stacks blockchain that represents Bitcoin 1:1 so BTC holders can use DeFi apps. DefiLlama shows roughly $199M in TVL, but no audits are listed.

Bitcoin

By the DappsAtlas editorial team · Updated Nov 4, 2026

DappsAtlas score

6.8/10

Good

Visit Stacks sBTC

Our verdict on Stacks sBTC

6.8/10

sBTC suits Bitcoin holders who want to use BTC value in Stacks DeFi apps without selling, and developers building on Stacks. Its main strength is a simple 1:1 peg backed by a recognised Bitcoin layer 2 and roughly $199M in TVL. The main caveat is that no audits are listed on DefiLlama and fees are not stated, so check the official docs for both before depositing.

Score breakdown

How Stacks sBTC scores

Security: 6.3/10
Ease of use: 6.0/10
Fees: n/a
Features: 6.5/10

Scores run from 0 to 10 and are based only on facts we could verify. Where information was missing we mark the score n/a rather than guess.

What is Stacks sBTC?

sBTC is a token on the Stacks blockchain that represents Bitcoin in a 1:1 ratio. It is meant to let Bitcoin holders join DeFi applications and other smart contract features while keeping a peg to the underlying BTC.

Stacks describes itself as a fast, low-cost layer 2 network on Bitcoin that inherits Bitcoin's security. The official documentation is aimed at builders and covers Clarity smart contracts, Stacks.js, wallets, price oracles and sBTC integration.

DefiLlama has tracked sBTC since 2024-12-20 and shows about $199M in total value locked, with a 1.1% drop over seven days. It lists no audits and no separate token. This review draws on that data and the Stacks documentation homepage only.

How Stacks sBTC works

sBTC is a token on the Stacks blockchain, a layer 2 network built on Bitcoin. Each unit is meant to represent one BTC, so holders can use that value in Stacks smart contracts without selling their Bitcoin.

In wrapped-BTC designs like this, BTC is deposited on the Bitcoin network and a matching amount of the token is issued on the other chain. Redeeming the token reverses the process. The project does not give sBTC's exact deposit or withdrawal mechanics, so those details should be confirmed in the Stacks documentation.

DefiLlama files sBTC under Bridge and lists Bitcoin as its chain, since the underlying BTC sits on Bitcoin while the token is used on Stacks.

5 features

Key features

SIP-010 token standard

sBTC is a SIP-010 token, the fungible token standard on Stacks, so it can be used by Stacks wallets and applications.

1:1 Bitcoin peg

The token represents Bitcoin in a 1:1 ratio, aiming to keep its value tied to BTC.

DeFi access for BTC

Holders can use BTC-pegged value in DeFi applications and other smart contract functions on Stacks.

Developer documentation

The Stacks docs include an sBTC guide, Clarity resources and Stacks.js tools for integrating it into apps.

Bitcoin-anchored network

Stacks describes itself as a layer 2 on Bitcoin and covers Proof of Transfer and Bitcoin finality in its Learn section.

Pros and cons

What we like

Gives BTC holders a way to use their Bitcoin in smart contract applications.
Pegged 1:1 to Bitcoin, which keeps the token easy to understand.
DefiLlama shows around $199M in TVL, indicating real usage.
Official docs include dedicated sBTC and developer guides.
Built on the SIP-010 token standard, which suits the Stacks ecosystem.

Watch out for

DefiLlama lists no audits for the protocol, so security has to be checked in the official docs.
Fee schedule is not stated, including any costs for moving BTC in and out.
Relies on Stacks infrastructure such as signers and smart contracts, which adds risk beyond holding BTC directly.
Peg is only as good as the system that holds the underlying BTC; a failure could break the 1:1 value.
The available homepage is general Stacks developer documentation and says little about sBTC's mechanics.

Stacks sBTC fees

The project does not publish a fee schedule for sBTC. They do not say what it costs to move BTC into sBTC or back out.

In general, users should expect Bitcoin network fees on any Bitcoin transaction and Stacks network fees when using the token. Current figures should be checked in the sBTC section of the official docs or in the wallet or app used for the transfer.

Is Stacks sBTC safe?

DefiLlama lists no audits for sBTC, so public sources cannot confirm an independent code review. Readers should look for audit reports and the current risk disclosures in the official documentation before depositing.

Any BTC-pegged token adds smart contract risk and peg risk on top of holding Bitcoin itself. Users depend on the system that holds the underlying BTC and on the Stacks network. The project does not describe custody details, incidents or regulatory status, so none are asserted here.

6 steps

How to get started with Stacks sBTC

1
Read the sBTC section of the official Stacks documentation to understand how the peg and the process work.
2
Set up a Stacks-compatible wallet and keep a recovery phrase backed up offline.
3
Check any audit reports and current limits before moving significant funds.
4
Start with a small amount of BTC to learn the process and see what fees apply.
5
Use the sBTC in a Stacks DeFi application you have researched, and review its own risks.
6
Keep track of your position and know how to move back to BTC if you want to exit.

Open Stacks sBTC

Who Stacks sBTC is for

sBTC is for Bitcoin holders who want exposure to Stacks DeFi and for developers building Bitcoin-linked apps with Clarity. It is less suited to people who want to hold BTC with the fewest possible dependencies, since the peg relies on additional infrastructure.

Stacks sBTC FAQs

What is Stacks sBTC?

sBTC is a SIP-010 token on the Stacks blockchain that represents Bitcoin in a 1:1 ratio. It lets Bitcoin holders take part in DeFi and smart contract applications while keeping a peg to the underlying BTC.

Is sBTC the same as Bitcoin?

Public sources describe it as pegged 1:1 to Bitcoin. They do not give detailed mechanics, so check the sBTC section of the Stacks documentation for how deposits, signers and withdrawals work.

How much value is locked in sBTC?

DefiLlama lists about $199,016,405 in TVL, down 1.1% over seven days. It has been tracked since 2024-12-20, and the figure changes over time.

Has sBTC been audited?

DefiLlama shows no audits for the project. That does not prove the code is unaudited, but readers should look for audit reports in the official documentation before depositing significant funds.

Does sBTC have its own token for governance or rewards?

No. DefiLlama lists the token as none. sBTC is a BTC-pegged asset rather than a governance or reward token.

How can developers use sBTC?

The Stacks docs have an sBTC section under their guides, alongside material on price oracles, onboarding users and Clarity smart contracts. Developers can use these to integrate sBTC into apps.

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