Best of · Optimism · Updated
The best Cross Chain Bridges on Optimism in 2026
We track 24 Cross Chain Bridges that run on Optimism and have reviewed 13 of them in full. Our top pick is Across. Each one is scored on security, ease of use, fees and features.
Ranked list
- 1
Across
Cross Chain Bridge · Ethereum, Arbitrum, Optimism +19
Across is an intent-based bridge for moving tokens between supported blockchains. It advertises fast transfers and low fees, but check the live quote and route before you sign.
ScoreScore 6.7 out of 10TVL $15.4M−6.0% - 2
Symbiosis
Cross Chain Bridge · Ethereum, TON, Tron +53
Symbiosis is a cross-chain swap and bridge for moving supported tokens across 50+ networks. Its routing may save you from comparing bridges yourself, but check the quote, fees and route before approving.
ScoreScore 6.2 out of 10TVL $8.09M−10.8% - 3
Stargate V2
Cross Chain Bridge · Ethereum, BNB Chain, Arbitrum +21
Stargate V2 is a cross-chain bridge for moving supported assets between networks. It offers broad chain coverage, but check the route quote and destination network carefully before transferring.
ScoreScore 5.8 out of 10TVL $79.2M+3.6% - 4
Hyperlane
Cross Chain Bridge · BNB Chain, Ethereum, Base +23
Hyperlane is an interoperability protocol for bridging assets and sending messages across blockchains, with a consumer-facing bridge called Nexus. Its wide reach may be useful, but fees and security details need checking before you move funds.
ScoreScore 5.8 out of 10TVL $69.9M−5.0% - 5
Stargate V1
Cross Chain Bridge · Ethereum, Arbitrum, Mantle +9
Stargate V1 is a LayerZero-powered bridge for moving assets between blockchains. It may suit you if your route and asset are supported, but check the live quote and destination network before sending funds.
ScoreScore 5.8 out of 10TVL $8.59M−0.8% - 6
NEAR Intents
Cross Chain Bridge · Near, Ethereum, Tron +21
NEAR Intents routes cross-chain swaps through competing market makers, but fees, custody and audit details are not clear. Check the live quote and destination details before approving a swap.
ScoreScore 5.5 out of 10TVL $192M−4.4% - 7
Mayan Bridge
Cross Chain Bridge · Base, Arbitrum, Ethereum +6
Mayan is a cross-chain swap and bridge service for moving assets between networks, either through its swap experience or an app integration. Check the live quote and destination network before signing: Mayan does not publish a fee schedule or clear details about custody and audit coverage.
ScoreScore 5.5 out of 10TVL $122K−0.0% - 8
CrossCurve
Cross Chain Bridge · Taiko, xDai, BNB Chain +17
CrossCurve is a cross-chain DeFi app and integration layer for swaps, bridging and other on-chain operations. Its published fees and security details leave important questions to check before you move funds.
ScoreScore 5.3 out of 10TVL $33.6K−6.3% - 9
Allbridge Core
Cross Chain Bridge · Sui, Solana, Stellar +11
Allbridge Core is a cross-chain stablecoin bridge using native liquidity pools. Its supported networks are broad, but check current fees, routes and security details before moving funds.
ScoreScore 4.8 out of 10TVL — - 10
Interport Finance
Cross Chain Bridge · Scroll, Ethereum, Linea +13
Interport Finance is a cross-chain swap app that routes trades across multiple networks. It may suit you if you want one-step swaps, but its fees and security details need checking before you connect a wallet.
ScoreScore 4.5 out of 10TVL $3.61K−0.1% - 11
Eywa
Cross Chain Bridge · Ethereum, Avalanche, Polygon +4
Eywa’s CrossCurve aims to route swaps and transfers across chains through one DeFi interface. The routing concept is useful, but check the quote, fees and security details before moving funds.
ScoreScore 4.5 out of 10TVL — - 12
Hashport
Cross Chain Bridge · Ethereum, Hedera, Avalanche +9
Hashport is a cross-chain bridge covering 12 networks, but its fees, custody model and transfer process are not clear. Check those details before moving assets.
ScoreScore 4.3 out of 10TVL $1.60M−3.5% - 13
TeleSwap
Cross Chain Bridge · Bitcoin, BNB Chain, Polygon +8
TeleSwap offers cross-chain swaps and Bitcoin bridging, but reports of a 2026 exploit make it important to verify the current security and withdrawal status before using it.
ScoreScore 4.0 out of 10TVL $150K−47.2% - 14
Kraken Bitcoin
Cross Chain Bridge · Bitcoin, Ethereum, Optimism
Kraken Bitcoin is a cross chain bridge project on Bitcoin, Ethereum and Optimism. Its team publishes little about how it works, what it costs or how funds are secured, so treat it with care.
ScoreNot rated yetTVL $716M−2.5% - 15
Hop Protocol
Cross Chain Bridge · Ethereum, Optimism, Arbitrum +4
Hop Protocol is a cross-chain bridge for moving tokens across Ethereum and several scaling networks. The basic purpose is clear, but check current fees, routes and security details before transferring funds.
ScoreNot rated yetTVL $3.44M−1.0% - 16
Meson
Cross Chain Bridge · Merlin, BSquared, BNB Chain +36
Meson is a cross-chain swap protocol, but key details about fees and safeguards are not established. Check the route and costs before confirming a swap.
ScoreNot rated yetTVL $702K+6.4% - 17
BoringDAO
Cross Chain Bridge · Litecoin, Polygon, Doge +17
BoringDAO is a cross chain bridge project on Litecoin, Polygon, Doge and Ethereum that appears to be inactive. Check its current status before sending it any funds.
ScoreNot rated yetTVL $331K−6.8% - 18
Euclid Protocol
Cross Chain Bridge · Polygon, Arbitrum, BNB Chain +7
Euclid Protocol is cross-chain DeFi infrastructure for swaps, liquidity aggregation and routing. The product’s fees, security details and user steps are not clear enough to assess before use.
ScoreNot rated yetTVL $46.9K−0.6% - 19
Altitude
Cross Chain Bridge · Ethereum, Arbitrum, Avalanche +6
Altitude is a cross chain bridge project on Ethereum, Arbitrum, Avalanche and Optimism. Its team publishes little about how it works, what it costs or how funds are secured, so treat it with care.
ScoreNot rated yetTVL $41.2K−0.7% - 20
RelayChain
Cross Chain Bridge · Optimism, Polygon, Ethereum +10
RelayChain is described as a cross-chain bridge, but key details about its current operation, costs and safeguards are unclear. Verify the bridge and its supported routes before connecting a wallet or transferring funds.
ScoreNot rated yetTVL $1.48K−1.8% - 21
Everclear
Cross Chain Bridge · Linea, Taiko, Polygon +19
Everclear was a cross-chain clearing and settlement protocol, but reports say it shut down in May 2026. Don’t send funds through it unless you can independently confirm the service is operating and withdrawals work.
ScoreNot rated yetTVL $0−0.2% - 22
Beamer Bridge
Cross Chain Bridge · Arbitrum, Optimism
Beamer Bridge is a cross chain bridge project on Arbitrum and Optimism. Its team publishes little about how it works, what it costs or how funds are secured, so treat it with care.
ScoreNot rated yetTVL $0 - 23
Hyphen
Cross Chain Bridge · Polygon, Arbitrum, Ethereum +3
Hyphen is Biconomy’s cross-chain transfer service for EVM networks. Its supported chains are listed, but fees, custody details and current operating status are unclear.
ScoreNot rated yetTVL — - 24
Poly Network
Cross Chain Bridge · Ethereum, BNB Chain, Neo +20
Poly Network is a cross-chain bridge, but its current operating status, fees and safe way to get started are unclear. Its history includes a major 2021 exploit, so don’t send funds without first verifying the bridge is active and secure.
ScoreNot rated yetTVL —
Cross Chain Bridges on Optimism: the numbers
- Tracked
- 24
- Reviewed
- 24
- Total TVL
- $1.10B
- Avg. score
- 5.3/10
There are 24 cross chain bridges on Optimism in the SkyBitcoins index. Every one of them has a full review. The 18 that report TVL hold $1.10B between them, counting value on every chain they support. Kraken Bitcoin dominates, with 65% of that total. The five largest make up 98% of the total; the median is $702K.
Ranked by TVL, Kraken Bitcoin ($716M), NEAR Intents ($192M) and Stargate V2 ($79.2M) lead the field. The best-rated is Across with 6.7/10, followed by Symbiosis (6.2) and Stargate V2 (5.8). The 13 rated cross chain bridges average 5.3/10, and none scores 8 or above yet.
Many also deploy elsewhere, most often on Ethereum (23), Arbitrum (23) and Polygon (22). Of the 18 with a confirmed status, 17 are active and 1 is inactive or wound down. Over the last seven days, combined TVL fell 2.7%. Stargate V2 gained the most (+3.6%), while Symbiosis dropped the most (−10.8%).
Largest by TVL
- 1
Kraken Bitcoin$716M
- 2
NEAR Intents$192M
- 3
Stargate V2$79.2M
- 4
Hyperlane$69.9M
- 5
Across$15.4M
Highest rated
- 1
- 2
Symbiosis6.2
- 3
- 4
- 5
Stargate V15.8
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.
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Frequently asked questions
What is the largest cross chain bridge on Optimism by TVL?
Kraken Bitcoin is the largest cross chain bridge on Optimism by total value locked, with $716M across all the chains it supports. It is followed by NEAR Intents ($192M) and Stargate V2 ($79.2M). TVL figures come from DefiLlama and change daily.
Which cross chain bridge on Optimism has the highest SkyBitcoins score?
Across has the highest score at 6.7/10, ahead of Symbiosis (6.2) and Stargate V2 (5.8). Scores weigh security, ease of use, fees and features, and are based only on facts we could verify.
How many cross chain bridges on Optimism has SkyBitcoins reviewed?
SkyBitcoins tracks 24 cross chain bridges on Optimism. Of these, 24 have a full review and 18 report value locked, $1.10B in total, counting value on every chain they support.
Which cross chain bridges on Optimism grew the most this week?
Among cross chain bridges with at least $1M locked, Stargate V2 had the biggest 7-day TVL gain (+3.6%) and Symbiosis the biggest drop (−10.8%). Combined TVL moved −2.7% over the same seven days.
What is the average score for cross chain bridges on Optimism?
The 13 rated cross chain bridges on Optimism average 5.3 out of 10. Of these, 0 score 8 or higher and 5 score below 5.