DOLA Cross-Chain Guide
PLEASE READ: Using cross-chain bridges comes with risk and Inverse Finance DAO makes no warranty or guarantee of their safety. You are strongly encourages to do your own research to ensure you understand any bridge fully before using.
The following is a brief summary of known options for bridging DOLA.
How Bridges Work
Bridges today are divided into two risk categories depending on the choice of technology and level of decentralization.
Bridges like Hop Protocol are on the centralized side of the spectrum which means that they are very fast but could carry censorship risks, along with the risk of an influential person or small group being a single point of failure.
The trade-offs are different for decentralized (native) bridges like the Optimism bridge or the Arbitrum bridge to Ethereum as you never give up self-custody of your funds and therefore don’t need liquidity on the destination chain, but you instead accept that it may take up to seven days to transfer the funds away from the destination chain (in is fast, out takes time).
Make sure that you are familiar with the underlying infrastructure that you are using: Ethereum provide the strongest security guarantees for tokens issued on Ethereum. Bridging tokens to other base layer chains change the token's risk profile drastically as you need to trust a custodian bridge. Even Ethereum layer 2 rollups like Arbitrum and OP Mainnet have some weaker or different security assumptions than Ethereum, but you can manually withdraw your funds from the rollup back to Ethereum.
Native/Trusted Bridges
Some users prefer to use a bridge operated by a “trusted” third party (e.g. Coinbase operates the Base native bridge). Native bridges typically offer bridging from a limited number of chains to the target (native) chain.
Ethereum provides its security to "Layer 2" chains via native bridges which let you self-custody your funds while they are in transit and to and on the L2. Before bridging to an L2, ensure that you are familiar with the docs for the target chain and understand the risks of that protocol.
One downside of some L2 chains is that it may take up to seven days to transfer the funds away from the L2 chain back onto Ethereum or another chain. Tip: remember to also send some of the L2’s gas token to the destination chain to be able to transact.
Some native L2 Bridges:
Other native bridges:
Some L1 blockchains are independent from Ethereum's security but are nonetheless compatible with the Ethereum's execution environment and often have custodial bridges of their own.
Polygon. Polygon's bridge is non-custodial and more similar to the L2 bridges. Tip: check for liquidity before bridging.
Third Party Bridges
There are several commercial bridges that usually are fast and connect both L1's and L2's. They require there to be pre-existing liquidity on the destination chain and most of them custody your funds during the transaction. Check for liquidity before bridging. Note that Multichain is out of commission, revoke all approvals and avoid using their services until the situation is resolved. Here are a twofew custodial bridges:
Bridge Aggregators
Bridge aggregators search for the least expensive route and Inverse makes use of Socket on the combined swapping and bridging page on the Inverseour website. Bridge aggregators search for an optimal route and also aggregates DEXes across chains to allow you to swap from any token on one chain into any other token on the destination chain:
Tips on Using Cross-Chain Bridges
Look
Always check if there is enough DOLA liquidity on the other chain to transact before you bridge. Look up the analytics of the protocol that you are using, and also check both the bridge liquidity and the pool liquidity if you intend to swap on the destination chain. If the liquidity pools on the chain are low on DOLA you benefit from positive slippage if you bring DOLA to trade. If the pools have an excess of DOLA on the other hand you benefit from purchasing it.
Different bridge types have different properties and it's not a given that prices or transaction times are the same moving DOLA onto or off from any specific chain. The decentralized bridge off from Optimism or Arbitrum can take some time to exit. Anyone can challenge the validity of a transaction and a challenged transaction moving off the bridge could remain pending for up to ca 7 days before the challenge is concluded.
The private bridges offer faster bridging speeds and have more liquidity but they have a different risk profile. Take a moment to edit the allowance when you are prompted to approve the transfer and set it to match the sum you are sending. Infinite approvals carry a risk if the protocol is compromised.
Leap
Head to the bridge of your choice with DOLA at the ready.
Make sure that your wallet is pointed to the chain that you are starting from.
Select the target chain.
Approve the allowance for the sum.
Confirm the transaction to send the funds, and wait.
Here is a good blog post on farming DOLA across chains.
DOLA Liquidity on Ethereum L2's:
Ethereum layer 2 rollups like Base, OP Mainnet, or Arbitrum bundle user transactions for increased speed and lower costs. They have some weaker or different security assumptions than Ethereum, but you can manually withdraw your funds from the rollup back to Ethereum in case of emergency.
DOLA Liquidity on Optimism
Optimism is an optimistic rollup (layer 2) to Ethereum with reduced gas fees and increased transaction speed, DOLA is paired with various stablecoins on Velodrome.
Find yield opportunities here.
DOLA Liquidity on Base
Base is an optimistic rollup (layer 2) to Ethereum with reduced gas fees and increased transaction speed, DOLA is paired with various stablecoins on Aerodrome.
Find yield opportunities here.
DOLA Liquidity on Mode
Mode is another optimistic rollup (layer 2) to Ethereum with reduced gas fees and increased transaction speed, DOLA is paired with various stablecoins on Velodrome on Mode.
Find yield opportunities here.
DOLA On Arbitrum
Arbitrum is an optimistic rollup (layer 2) to Ethereum with reduced gas fees and increased speed, find DOLA pairs on our yield opportunities page.
DOLA Liquidity on Blast
DOLA is paired with USDB on Thruster and Fenix on Blast.
DOLA Liquidity on BNB Chain
DOLA is paired with CUSD and BNB on Thena, but we recommend no further deposits as bridging is paused by Multichain.
DOLA Basics
DOLA exists as an ERC20 token on Ethereum, Base, Arbitrum, Optimism, Mode, Blast, and Polygon. DOLA is also present on the BNB Chain but bridging is currently paused by Multichain.
An ERC-4626 vault token, sDOLA, autocompounds yield derived from FiRM lending revenues and allows users to receive yield on their staked DOLA while allowing them to use sDOLA in liquidity pools or as collateral on third party lending protocols. More on sDOLA here.
Contract Addresses
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