chain abstraction
NEAR Pushes 'Signatures' on Mainnet, in Growing Trend of Chain Abstraction
The feature was introduced in testnet in March, and allows users with a NEAR account to sign transactions on blockchains it supports, without the need for cross-chain bridges.

Router Launches Mainnet, as More Projects 'Abstract' Away Blockchains
Router Chain is supposed to reduce the complexities of cross-chain interactions and make the development of dapps easier to use.

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