With the collective explosion of public chains such as Solana, Avalanche, and Fantom, the wealth creation effect of emerging ecology is on the rise. In order to pursue these new wealth opportunities, users' demand for cross-chain assets is increasing day by day.
Currently, there are two common channels for users to execute asset cross-chain.
One is to use a centralized service provider such as a centralized exchange to lift the stable currency or the underlying token of the public chain to the target chain. However, as far as the actual situation is concerned, the current mainstream CEX supports a limited number of stablecoin withdrawal networks (mainly Ethereum, Tron, BSC, Solana), which cannot cover all ecosystems; and if the underlying tokens of the public chain are used as the medium, the potential The need for multiple conversions will also cause additional asset impairment.
The second largest channel is cross-chain bridges, including "official cross-chain bridges" such as Avalanche Bridge and Optimism Gateway, which are led by the original underlying development team, as well as "third-party cross-chain bridges" with different architectures such as Anyswap and cBridge. ".Compared with centralized service providers, the cross-chain bridge service has many advantages such as wider coverage and more flexible docking, so it has also become the main channel to carry the current cross-chain flow of funds.
However, although the existing cross-chain bridge service can meet the asset cross-chain needs in most scenarios, many ordinary users may still be unfamiliar with this service, especially when assets need to be transferred to some unfamiliar ecology , Which bridges to choose is the primary problem facing many ordinary users. In order to solve this problem and make it easier for more users to transfer funds between major ecosystems, Odaily has compiled ten mainstream ecosystems (Ethereum、BSC、Solana、Terra、Avalanche、Fantom、Polygon、Arbitrum、Optimism、Harmonyimage description
List of Top Ten Ecologically Common Cross-chain Bridges
In order to facilitate you to find the current cross-chain bridge according to the above picture, the text introduction below will sort the cross-chain bridge projects mentioned in the above picture according to the first letter, and sort by the official website, current support ecology, docking form, and precautions ( Such as security), recent developments or future plans, and highlights (including low rates, high transfer speeds) and other dimensions are introduced separately, and some highly recommended bridges (AnySwap, cBridge, Hop Protocol, xPollinate) will also be marked.
Tokens: None
1. Across Protocol
Official website:https://across.to/
Tokens: None
Category: Third Party Bridge
Docking form: one-on-one
Support ecology: Ethereum, Arbitrum (temporarily only supports one-way exit from Arbitrum to Ethereum)
Official website:
2. Allbridge
Official website:https://allbridge.io/
Token: ABR (Ethereum contract address: 0xa11bd36801d8fa4448f0ac4ea7a62e3634ce8c7c)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Solana, Avalanche, Polygon, Celo, Heco
secondary title
Official website:
Official website:https://anyswap.exchange/#/router
Token: ANY (Ethereum contract address: 0xf99d58e463a2e07e5692127302c20a191861b4d6)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, Arbitrum, xDAI, Harmony, Celo, Moonriver, Shiden, Boba, Heco, OEC, KuCoin Community Chain, Cronos, Fusion, IoTeX, Telos, Goerli
Introduction: AnySwap is a decentralized cross-chain protocol based on SMPC secure multi-party computing + TSS threshold signature technology. At present, AnySwap has become one of the cross-chain bridge projects with the widest ecological coverage, the most supported currencies, and the largest number of businesses on the market. According to official data, AnySwap currently has a total locked assets of 4.56 billion US dollars, supports 20 ecosystems, and has 948 types of assets.
Tokens: None
4. Arbitrum Bridge
Official website:https://bridge.arbitrum.io/
Tokens: None
Category: Official Bridge
Docking form: one-to-one
Ecosystem support: Ethereum, Arbitrum
Tokens: None
5. Avalanche Bridge
Official website:https://bridge.avax.network/
Tokens: None
Category: Official Bridge
Docking form: one-to-one
Ecosystem support: Ethereum, Avalanche
Introduction: Avalanche Bridge (AB) is the second-generation cross-chain bridge officially built by Avalanche. AB relies on the Intel SGX technology structure, which is characterized by not using smart contracts to manage cross-chain funds, but generating two common Ethereum and Avalanche addresses in the trusted environment of Intel SGX to complete the management and casting of cross-chain funds .
secondary title
Tokens: None
Official website:https://www.binance.org/cn/bridge
Tokens: None
Category: Official Bridge
Connection form: many-to-many
Support ecology: Ethereum, BSC, Solana, Tron (there are several other chains such as Omni, but the service has been suspended)
secondary title
Official website:
Official website:https://cbridge.celer.network/
Token: CELR (Ethereum contract address: 0x4f9254c83eb525f9fcf346490bbb3ed28a81c667)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, Arbitrum, xDAI, Heco, OEC
Introduction: cBridge is an atomic swap cross-chain bridge launched by Celer, a Layer 2 expansion platform, after extracting the core conditional payment function from its original state channel products, optimizing and slimming down. Similar to the AB mentioned above, Celer Network also chooses to use ordinary addresses to complete the cross-chain process. When performing cross-chain operations, users do not need to send any funds to the contract. Instead, they need to send funds to the node address through the contract. Send a transfer with a hash lock, and the subject of releasing liquidity to the user-specified address on the target chain will no longer be the contract itself, but can send the node address with the same hash lock to the user.
Official website:
8. ChainSwap
Official website:https://exchange.chainswap.com/
Token: ASAP (Ethereum contract address: 0xcc665390b03c5d324d8faf81c15ecee29a73bcb4)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, Moonriver, Shiden, Heco, OEC, KuCoin Community Chain, Fusion, Telos
Official website:
9. FibSwap DEx
Official website:https://dex.fibswap.io/
Token: FIBO (BSC contract address: 0x5067c6e9e6c443372f2e62946273abbf3cc2f2b3)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Fantom, Polygon
Introduction: FibSwap DEx is a decentralized exchange that supports cross-chain, that is, it supports both cross-chain and asset exchange functions. We will also introduce some other similar projects below.
secondary title
Official website:
Official website:https://app.hop.exchange/send
Tokens: None (🐑)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, Polygon, Arbitrum, Optimism, xDAI
Introduction: Hop Protocol is a cross-chain bridge mainly used for asset transfer between Ethereum and its Layer2 network. This bridge designed "hAssets" as an intermediate asset, and combined with the AMM mechanism to realize the rapid cross-chain circulation of assets - when cross-chain, assets are deposited into the contract 1:1 mortgage to mint hAssets, and when assets are redeemed, 1 :1 Destroy hAssets.
Tokens: None
11. Horizon
Official website:https://bridge.harmony.one/
Tokens: None
Category: Official Bridge
Docking form: many to one
Ecosystem support: Ethereum, BSC, Harmony (does not support Ethereum, BSC interoperability)
Introduction: Horizon is the official bridge of the Harmony ecosystem. Its main function is to help users transfer assets from Ethereum and BSC to Harmony.
Official website:
12. Hyphen（Biconomy）
Official website:https://hyphen.biconomy.io/
Token: BICO (TGE not yet)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, Polygon
Official website:
13. Li.Finance
Official website:https://bridge.harmony.one/
Tokens: None (🐑)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, Arbitrum, Optimism, xDAI
Introduction: Li.Finance is positioned as a cross-chain liquidity aggregator, aiming to find the best cross-chain experience for users from all liquidity pools and bridges.
Official website:
14. Mosaic（Composable.Finance）
Official website:https://mosaic.composable.finance/
Token: LARY, not issued yet
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, Avalanche, Fantom, Polygon, Arbitrum, Moonriver
Introduction: Mosaic is a multi-ecological asset cross-chain bridge launched by Composable.Finance, a cross-chain and cross-layer interoperability protocol. As a bridge, the biggest feature of Mosaic is that it supports the cross-chain transfer of some Sushiswap and Curve liquidity tokens (LP Token).
Tokens: None
15. Multichain.xyz
Official website:https://multichain.xyz/
Tokens: None
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, xDAI, Heco, Fusion
Introduction: Multichain.xyz is a multi-chain cross-chain platform jointly developed by the Anyswap team, a cross-chain digital asset trading protocol, and Andre Cronje, the founder of yearn.finance (YFI), based on the Anyswap SMPC Network.
Official website:
16. NerveBridge
Official website:https://bridge.nerve.network/
Token: NVT
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Polygon, Harmony, Heco, OEC, KuCoin Community Chain, NULS, Nerve
Official website:
17. O3 Swap
Official website:https://o3swap.com/swap
Token: O3 (Ethereum contract address: 0xee9801669c6138e84bd50deb500827b776777d28)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Polygon, Arbitrum, Hceo, NEO
Introduction: O3 Swap is a cross-chain aggregation protocol created by the O3Labs team based on Poly Network (detailed below), which can realize the free transaction of assets while cross-chain. The main functional modules of O3 Swap include the transaction aggregator Aggregator and the cross-chain transaction pool Pool. Aggregators are responsible for finding the most ideal transaction path; Pool is responsible for providing cross-chain asset transaction services.
Official website:
18. oPortal（BoringDAO）
Official website:https://oportal.boringdao.com/twoway
Token: BORING (Ethereum contract address: 0xbc19712feb3a26080ebf6f2f7849b417fdd792ca)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, Harmony, xDAI, Heco, OEC
Tokens: None
19. Optics
Official website:https://optics.app/
Tokens: None
Category: Official Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, Polygon, Celo
Introduction: Optics is a decentralized cross-chain communication protocol officially led by Celo. Its name is derived from the acronym of Optimistic Inter-chain Communication Standard, which can achieve efficient and trust-minimized interoperability.
Tokens: None
20. Optimism Gateway
Official website:https://gateway.optimism.io/
Tokens: None
Category: Official Bridge
Docking form: one-to-one
Ecosystem support: Ethereum, Optimism
Introduction: Optimism Gateway is a cross-chain bridge officially launched by the Ethereum Layer2 network Optimism, which is mainly used to solve the asset interoperability needs between Ethereum and Optimism. The cross-chain bridge currently supports the transfer of mainstream ERC-20 assets in the Ethereum ecosystem such as ETH, DAI, LINK, and UNI.
Tokens: None
21. Polygon Bridge
Official website:https://wallet.polygon.technology/bridge
Tokens: None
Category: Official Bridge
Docking form: one-on-one
Ecosystem support: Ethereum, Polygon
Introduction: Polygon Bridge is the official bridge of the Polygon ecosystem. Its main function is to help users transfer assets from Ethereum to Polygon.
Official website:
22. Poly Network
Official website:https://bridge.poly.network/
Tokens: None (the official website clearly mentions that there will be no tokens)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, Arbitrum, xDAI, Heco, OEC, Ontology, NEO, Palette
Introduction: Even for users who don’t know much about the cross-chain bridge track, the name Poly Network may be “popular”. On August 10 this year, Poly Network suffered a hacker attack. Hackers stole assets with a total value of 610 million U.S. dollars at the time, making it the largest hacking incident in the history of cryptocurrency.
Tokens: None
23. Ralay Chain
Official website:https://app.relaychain.com/#/cross-chain-bridge-transfer
Tokens: None
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, Harmony, Heco, Cronos, Moonriver, Shiden, IoTeX
Official website:
24. RenBridge（RenProject）
Official website:https://bridge.renproject.io/mint
Token: REN (Ethereum contract address: 0x408e41876cccdc0f92210600ef50372656052a38)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: the starting chain includes Bitcoin, Bitcoin Cash, Dogecoin, Zcash, DigiByte, Filecoin, Terra, and the target chain includes Ethereum, BSC, Solana, Avalanche, Fantom, Polygon, Arbitrum
Introduction: The old cross-chain protocol RenBridge has obvious logical differences with other cross-chain bridges in terms of product positioning. This protocol is not implementing multi-chain inter-transfer of a specific asset, but locking native assets of mainstream non-EVM networks such as BTC Then mint ren-Token on other networks (such as renBTC on Ethereum).
Official website:
25. Synapse Protocol
Official website:https://synapseprotocol.com/
Token: SYN (Ethereum contract address: 0x0f2d719407fdbeff09d87557abb7232601fd9f29)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, Arbitrum, Harmony, Boba, Moonriver
Tokens: None
26. Teleportr
Official website:https://portr.xyz/
Tokens: None
Category: Third Party Bridge
Docking form: one-on-one
Ecosystem support: Ethereum, Optimism (temporarily only supports Ethereum one-way access to Optimism)
Tokens: None
27. Terra Bridge
Official website:https://bridge.terra.money/
Tokens: None
Category: Official Bridge
Docking form: many to one
Ecosystem support: Terra and Ethereum, BSC, Harmony (only supports intercommunication between Terra and the latter three)
Tokens: None
28. Wormhole
Official website:https://wormholebridge.com/#/
Tokens: None
Category: Official Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Solana, Terra, Polygon
Introduction: Wormhole is an asset cross-chain tool jointly developed by Solana and Certus.One. It was originally created to realize the two-way conversion between Ethereum and Solana assets, but now it can also realize the exchange between other ecology (such as Ethereum and Polygon) Asset transfer.
secondary title
Official website:
Official website:https://www.xpollinate.io/
Tokens: None (🐑)
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Avalanche, Fantom, Polygon, Arbitrum, xDAI, Moonriver
Introduction: Connext is a cross-chain protocol for fast asset transactions and contract calls between EVM-compatible networks. xPollinate is an application of Connext’s general cross-chain transaction protocol NXTP. It currently supports Ethereum, BSC, Avalanche, Fantom, Eight networks including Polygon, Arbitrum, xDAI, and Moonriver.
From the perspective of somatosensory, the user experience of xPollinate is quite excellent, and the mainstream EVM ecology has basically been covered. Although there are not as many supported currencies as AnySwap, it is enough to meet the needs of most scenarios. The cross-chain time can generally be within 5 minutes. It can be completed within a short period of time, and the cost is not high.
Tokens: None
30. XY Finance
Official website:https://xy.finance/
Tokens: None
Category: Third Party Bridge
Connection form: many-to-many
Ecosystem support: Ethereum, BSC, Fantom, Polygon
Introduction: XY Finance is positioned as a cross-chain aggregator, similar to Li.Finance and other cross-chain + transaction projects mentioned above, XY Finance also supports the exchange of a certain token on the A network to the B network Another token on . The structure of XY Finance consists of X Swap and Y Pool. X Swap is responsible for finding the best quotation and executing transactions. Y Pool is responsible for providing liquidity for X Swap and using transaction fees to motivate liquidity providers.
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The above are the 30 asset cross-chain bridge projects we have sorted out this time.
The cross-chain concept is in the period of explosion, and projects have sprung up like mushrooms after rain. Due to the limitation of personal energy and the length of the article, this article cannot cover all the projects on the market, and can only select some more common asset cross-chain bridges around the selected top ten ecology, so some equally well-known but ecological focus deviations Projects that did not appear in this article (such as Near Rainbow, THORChain, etc.).
In most scenarios, the 30 cross-chain bridges sorted out above can meet the cross-chain needs of users between the top ten ecology and even more ecology (the coverage capacity of some bridges will be extended). In practice, though, some users may still be stuck choosing between so many bridges. Regarding how to choose, let's talk about some personal experience here.
When evaluating whether a cross-chain bridge is useful or not, I tend to focus on four elements: service coverage, time cost, cost, and security.
Service coverage capability refers to whether the ecology and currency supported by the cross-chain bridge are rich. Before performing cross-chain operations, users need to clarify their own needs first, that is, they need to know what the starting point, destination and currency of the cross-chain are, and then filter bridges that meet the conditions according to their needs.
Time cost refers to the time required to cross-chain. At this point, the main thing to note is that some official bridges of Layer2 networks need a long (about a week) challenge period when funds are withdrawn to Layer1, so it is recommended to use a faster third-party bridge when performing this operation .
The fee cost is divided into two parts, one is the chain gas fee required for cross-chain transactions, and the other is the commission fee charged by the cross-chain bridge (bridge fee). The former is generally only used when cross-chain transactions involving Ethereum are involved. It will be more expensive, and the emerging ecological intercrossing is generally quite cheap; the charging models of the latter bridges are different, some are commissioned, some are charged per use, and some are charged according to fluctuations in liquidity conditions. In the actual cross-chain, under normal circumstances, the bridge will clearly give the exact number of tokens that the user can receive after the cross-chain is completed, so it is recommended to do more comparisons before the operation.
Security comes last, but it is the top priority. Since there are often a large number of assets in the cross-chain bridge, and the business process is more complicated than that of ordinary DeFi projects, it needs to involve the interaction between multiple chains and multiple contracts, so this field has gradually become a "sweet bun" in the eyes of hackers. Momo". The Poly Network, ChainSwap, AnySwap, and Synapse mentioned above, as well as the THORChain, pNetwork, etc. that have not been introduced, have all encountered "bad hands", so users should choose projects that have been fully audited when choosing a cross-chain bridge. But having said that, generally, the victims of such hacking incidents are mostly liquidity providers, and the probability of being implicated is relatively low for those who simply use it, so there is no need to "waste food because of choking" and no longer make any cross-chain attempts.
Looking at the current development status of the cross-chain bridge track, while the service scope and service quality are rapidly improving, some new development directions have also emerged. The author is personally interested in two of these directions.
One is the aggregation of cross-chain bridges. The current rapid increase in the number of cross-chain bridges is just like the increase in the number of DEXs a year ago, so why not make a cross-chain bridge version of 1inch? In fact, a number of projects have already started their attempts in this field, including ChainSwap mentioned above and FundMovr not mentioned.
The second is to embed some other financial services in addition to the bridging service, such as the cross-chain + transaction that FibSwap DEx, Li.Finance, XY Finance, Symbiosis Finance are doing, and the cross-chain + transaction proposed by the leading DeFi protocol Aave in the V3 version lending options.
Looking forward to the future, multi-chain narrative is the general trend. Under the general trend, the value of the cross-chain bridge, as the carrier of cross-ecological capital flow, will continue to increase with the increasingly frequent interactions between ecologies. This may be the clearest outlet at the moment.
