Learn about the zkSync

Bridge in zkSync

A bridge to ZKSync is a technology that allows users to transfer their assets from the Ethereum blockchain to the ZKSync layer 2 scaling solution. The bridge to ZKSync is necessary because ZKSync is a separate blockchain that is connected to the Ethereum network, but it is not the same as the Ethereum blockchain. Therefore, users need a way to move their assets between the two networks. There are several projects that are currently working on building bridges to ZKSync:

Learn about Zero - knowledge proofs

Zero-knowledge proofs (ZKP) are a type of cryptographic protocol in which one party can prove to another party that they know a certain piece of information or a secret without revealing the information itself. In other words, ZKPs allow one party (the prover) to convince another party (the verifier) that a statement is true, without revealing any additional information beyond the statement’s truth. For example, consider a scenario where Alice wants to prove to Bob that she knows a secret code word, without revealing the code word itself.

What is zk-rollups?

A zero-knowledge rollup is a Layer 2 blockchain solution that performs computations and storage off-chain while funds are held in a smart contract. Simply put, zero-knowledge rollups or zk-rollups is a layer-2 scalability solution that allows blockchains to validate transactions faster while also ensuring that gas fees remain minimal. Zk-rollups manage to perform better than traditional layer-1 blockchains because they combine on and off-chain processes. While the Ethereum mainnet explicitly utilizes on-chain activities to process transactions and validate blocks, layer-2 zk-rollup solutions introduce off-chain functionalities as well.

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