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Process OverviewAcross gathers liquidity pools of ERC20 tokens on Ethereum to facilitate fast withdrawals of token deposits on Layer 2 (L2) networks like Optimism and Arbitrum. The deposits on Layer 2 are one-way and are sent by the L2 network’s slow native bridge to the pool on Ethereum, reimbursing liquidity providers. This can be thought of as the liquidity providers giving a short-dated loan on Ethereum secured by Layer 2 deposits. To bridge the tokens, relayers post a bond along with the...

Process OverviewAcross gathers liquidity pools of ERC20 tokens on Ethereum to facilitate fast withdrawals of token deposits on Layer 2 (L2) networks like Optimism and Arbitrum. The deposits on Layer 2 are one-way and are sent by the L2 network’s slow native bridge to the pool on Ethereum, reimbursing liquidity providers. This can be thought of as the liquidity providers giving a short-dated loan on Ethereum secured by Layer 2 deposits. To bridge the tokens, relayers post a bond along with the...