▪️Trust-minimized blockchain connections

TeleportDAO serves as a light-client bridge, facilitating the connection between one blockchain (called source chain) to another (called target chain). This capability empowers applications on the target chain to access data from the source chain in a secure and trust-minimized manner. For instance, a decentralized exchange (DEX) on the target chain could retrieve the latest exchange rates from a DEX operating on the source chain and provide identical rates to its users. TeleportDAO aims to streamline the development of innovative cross-chain applications, enabling seamless communication between smart contracts on different chains or access to each other's state.

Bridges aren't secure. What can be done?

While many bridges utilize a validator-based approach to connect blockchains, TeleportDAO employs light-client verification due to its significant advantages over the validator-based approach. Light-client verification offers a secure and trust-minimized method for verifying data from one blockchain without requiring access to the whole blockchain data. This verification method mirrors the process used by light client nodes, which lack access to the full blockchain data due to limited computational and storage resources. In TeleportDAO, light client verification is implemented as a smart contract, enabling the contract to verify data from the source chain without requiring heavy computational resources.

What role does TeleportDAO play in the multi-chain world?

TeleportDAO is the most secure, trust-minimized interoperability protocol between blockchains, facilitating the development of innovative cross-chain applications.

1. Secure as underlying chains: In TeleportDAO, the bridge contract (known as the Relay contract) relies on the target chain to verify data belonging to the source chain by ensuring that the data follows to the consensus rules of the source chain. The only way to deceive the bridge is by providing data that passes the consensus checks but doesn't truly belong to the source chain. This implies that the attacker could potentially compromise the security of the source chain itself. Therefore, as long as the source chain remains secure, the TeleportDAO bridge remains secure.

2. Trust-minimized approach: In TeleportDAO, the verification of data from the source chain submitted to the Relay contract is conducted by the contract itself. Anyone can provide the data from the source chain, and the bridge contract verifies it based on predetermined rules. If the provided data doesn't follow to the source chain's consensus rules, the bridge contract rejects it. This makes TeleportDAO trust-minimized, as all verification is performed by the smart contract, and the bridge does not depend on any external nodes for data verification.

3. Access all data of other chains: Through TeleportDAO, any user or application on the target chain can verify the inclusion of specific data on the source chain. For instance, a smart contract can verify the latest balance of a user on the source chain, or another smart contract can confirm whether funds have been transferred to a particular address on the source chain. This capability enables the development of numerous cross-chain applications where smart contracts reside on multiple blockchains and can verify the state of each other.