What is Quant Network's Overledger? Overledger is Quant’s (@quantnetwork) interoperability platform, designed to connect different blockchains and traditional systems through a common API layer. It tries to make different blockchain networks communicate without forcing developers to build separate integrations for every chain. (1) Overledger acts as a universal API gateway. Developers can use standardized APIs to interact with supported blockchains instead of learning and maintaining separate infrastructure for each network. (2) It works as a translation layer between different blockchain environments. Quant describes Overledger as a “universal translator,” allowing applications to communicate across different DLT architectures through a common interface. (3) This is where Overledger differs from the typical bridge model. Instead of every application relying on a separate bridge between two chains, Overledger provides a common interoperability layer that can connect multiple networks. That can reduce the need for point-to-point integrations, which become increasingly complex as more blockchains enter the ecosystem. (4) Overledger can also power multi-chain applications. Quant calls these mApps, applications designed to operate across multiple distributed ledgers rather than being locked to one blockchain. The platform can also handle transaction signing, asset transfers, and other blockchain interactions through its APIs. (5) But Overledger does not completely eliminate bridges. Quant also provides its own bridge infrastructure for transferring assets between networks, using standardized APIs and smart contracts. Since June 2026, this has also expanded into Quant Fusion, a multi-ledger rollup connecting dozens of blockchains. The bigger idea is that the applications can have interoperability via an infrastructure layer as opposed to establishing the connections all over again.