This article discusses L2 blockchain scaling methods, highlighting Project Mariana's role in facilitating cross-border CBDC exchanges. It outlines the differences between Layer-1 and Layer-2 scaling solutions, emphasizing the economic advantages of L2 strategies like rollups that process transactions off-chain while relying on Layer-1 chains for final settlement. Rollups save gas costs by condensing transaction data. Project Mariana, initiated by key financial institutions, aims to efficiently exchange central bank digital currencies (CBDCs) across borders using a decentralized exchange model on an L1 blockchain framework.
Rollups represent a form of L2 scaling that offloads calculations from Ethereum, compressing and storing results to reduce gas fees while ensuring transaction correctness.
Project Mariana focuses on cross-border CBDC exchanges, employing a decentralized exchange (DEX) on Layer-1 to facilitate transactions among central banks in different jurisdictions.
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