Best of · Bitcoin · Updated Nov 8, 2026

The best Bridges on Bitcoin in 2026

We track 12 Bridges that run on Bitcoin and have reviewed 10 of them in full. Our top pick is Rosen Bridge. Each one is scored on security, ease of use, fees and features.

1
Rosen Bridge
Bridge · Ergo, Cardano, Bitcoin +3
Rosen Bridge is an Ergo-centered protocol for moving assets across several blockchains. Its watcher-and-guard security model is clearly described, but transfer fees and independent audit details are not published.
Read the Rosen Bridge review Visit Rosen Bridge(opens in a new tab)
ScoreScore 6.1 out of 10
TVL $935K−2.3%
2
Lombard BTC.b
Bridge · Bitcoin
Lombard BTC.b is a Bitcoin-backed asset for use across multiple blockchains. Lombard says it can be redeemed for native BTC, but check the redemption route, fees and security details before bridging funds.
Read the Lombard BTC.b review Visit Lombard BTC.b(opens in a new tab)
ScoreScore 5.8 out of 10
TVL $160M−1.6%
3
Stacks sBTC
Bridge · Bitcoin
Stacks sBTC is a Bitcoin-backed token for using BTC in Stacks apps. Its 1:1 target and signer-based bridge come with custody and redemption risks to understand first.
Read the Stacks sBTC review Visit Stacks sBTC(opens in a new tab)
ScoreScore 5.0 out of 10
TVL $188M−2.5%
4
Citrea Bridge
Bridge · Ethereum, Bitcoin
Citrea Bridge is a route for moving assets to and from Citrea, with Bitcoin transfers tied to the Clementine bridge and cBTC. Its bridge model is described, but fees, limits and independent audit details are not published.
Read the Citrea Bridge review Visit Citrea Bridge(opens in a new tab)
ScoreScore 5.0 out of 10
TVL $8.45M+8220%
5
Unit
Bridge · Bitcoin, Zcash, Ethereum +5
Unit is a deposit and withdrawal layer for moving supported assets onto Hyperliquid. Its listed assets and guardian model are clear, but fees and independent audit details are not.
Read the Unit review Visit Unit(opens in a new tab)
ScoreScore 4.5 out of 10
TVL $931M+22.4%
6
Merlins Seal
Bridge · Bitcoin, Ethereum, Arbitrum +1
Merlin’s Seal is tied to Merlin Chain, a Bitcoin Layer 2 with bridging and MERL staking. The advertised 15% APR is not enough to assess the offer: check the staking terms, fees and security details before connecting a wallet.
Read the Merlins Seal review Visit Merlins Seal(opens in a new tab)
ScoreScore 4.5 out of 10
TVL $390M−4.8%
7
exSat Bridge
Bridge · Bitcoin
exSat Bridge moves BTC between Bitcoin and exSat Mainnet through a custodian-managed bridge. Fees, transfer limits and custody details are not published, so confirm the route and terms before sending funds.
Read the exSat Bridge review Visit exSat Bridge(opens in a new tab)
ScoreScore 4.5 out of 10
TVL $2.50M−2.8%
8
anetaBTC
Bridge · Bitcoin, Cardano, Ergo
anetaBTC is a protocol for wrapping Bitcoin on Cardano and Ergo. Its core idea is clear, but published fees, audit details and operating safeguards are limited.
Read the anetaBTC review Visit anetaBTC(opens in a new tab)
ScoreScore 4.4 out of 10
TVL $115K−2.3%
9
Wan Bridge
Bridge · XRP Ledger, Ethereum, BNB Chain +28
Wan Bridge is a cross-chain bridge for moving assets between many blockchain networks. Its network list is broad, but fees, wallet support and the scope of its listed audits need checking before you transfer.
Read the Wan Bridge review Visit Wan Bridge(opens in a new tab)
ScoreScore 4.0 out of 10
TVL $5.56M−4.0%
10
Echo Bridge
Bridge · BSquared, Bitcoin, Aptos
Echo Bridge is designed to move Bitcoin-related assets across networks, including between B² Network and Aptos. A reported May 2026 security incident and suspension of cross-chain transactions mean you should not deposit until Echo confirms the bridge is operating safely again.
Read the Echo Bridge review Visit Echo Bridge(opens in a new tab)
ScoreScore 2.0 out of 10
TVL $9.90M−2.4%
11
Coinbase Bridge
Bridge · Bitcoin, XRP Ledger, Cardano +2
Coinbase Bridge is described as a way to use wrapped assets backed by crypto held by Coinbase. Bridge-specific fees and redemption instructions are not published, so there is too little detail to recommend how to use it safely.
Read the Coinbase Bridge review Visit Coinbase Bridge(opens in a new tab)
ScoreNot rated yet
TVL $7.66B−1.4%
12
hemiBTC
Bridge · Bitcoin, Ethereum
hemiBTC is Hemi’s native representation of Bitcoin, accessed through the Hemi Portal. Key details about its costs, backing and security are not published here, so you can’t assess the risks before using it.
Read the hemiBTC review Visit hemiBTC(opens in a new tab)
ScoreNot rated yet
TVL $2.11M−2.6%

Bridges on Bitcoin: the numbers

Tracked: 12
Reviewed: 12
Total TVL: $9.36B
Avg. score: 4.6/10

SkyBitcoins tracks 12 bridges on Bitcoin. Every one of them has a full review. Combined, they lock $9.36B, counting value on every chain they support. Coinbase Bridge dominates, with 82% of that total. The five largest make up 100% of the total; the median is $8.45M.

By value locked, the largest bridges on Bitcoin are Coinbase Bridge ($7.66B), Unit ($931M) and Merlins Seal ($390M). The best-rated is Rosen Bridge with 6.1/10, followed by Lombard BTC.b (5.8) and Stacks sBTC (5.0). The 10 rated bridges average 4.6/10, and none scores 8 or above yet.

Many also deploy elsewhere, most often on Ethereum (6), Cardano (4) and Doge (3). All 12 with a confirmed status are active. Over the last seven days, combined TVL was roughly flat (+0.4%). Unit gained the most (+22.4%), while Merlins Seal dropped the most (−4.8%).

Largest by TVL

Highest rated

Method

How we ranked them

Reviewed dApps come first. Each SkyBitcoins review scores security, ease of use, fees and features from 0 to 10 using public facts such as audits, documentation and on-chain data; the overall score orders the list, with total value locked as the tie-breaker. Projects we have not reviewed yet follow, ordered by total value locked. Scores are never sold.

Guides

Related guides

All guides

Blockchain
How to Use Base: A Practical Guide for 2026
Base is an Ethereum Layer 2 that lets you use compatible wallets and apps with ETH for gas. Learn how to set up a wallet, move funds, estimate costs and avoid common risks.

Frequently asked questions

What is the largest bridge on Bitcoin by TVL?

Coinbase Bridge is the largest bridge on Bitcoin by total value locked, with $7.66B across all the chains it supports. It is followed by Unit ($931M) and Merlins Seal ($390M). TVL figures come from DefiLlama and change daily.

Which bridge on Bitcoin has the highest SkyBitcoins score?

Rosen Bridge has the highest score at 6.1/10, ahead of Lombard BTC.b (5.8) and Stacks sBTC (5.0). Scores weigh security, ease of use, fees and features, and are based only on facts we could verify.

How many bridges on Bitcoin has SkyBitcoins reviewed?

SkyBitcoins tracks 12 bridges on Bitcoin. Of these, 12 have a full review and 12 report value locked, $9.36B in total, counting value on every chain they support.

Which bridges on Bitcoin grew the most this week?

Among bridges with at least $1M locked, Unit had the biggest 7-day TVL gain (+22.4%) and Merlins Seal the biggest drop (−4.8%). Combined TVL moved +0.4% over the same seven days.

What is the average score for bridges on Bitcoin?

The 10 rated bridges on Bitcoin average 4.6 out of 10. Of these, 0 score 8 or higher and 6 score below 5.

Ranked list