Unlike legacy swaps, in Fusion mode swaps, the actual transaction for exchanging one token into another is done by a resolver.A resolver is a fully automated algorithm that consists of a server app a set of smart contracts that execute trades and an externally owned account that sets up the contracts. Resolvers are applications developed by third parties.These applications resolve Fusion mode limit orders (also referred to as “Fusion swaps”), submitted by 1inch users, in automatic mode withou...