Japan’s Astar Network has become the first blockchain to implement the SuperchainERC20 standard for its ASTR token, in a move aimed at addressing longstanding interoperability issues between networks like Ethereum and Polkadot.
SuperchainERC20 enables interoperability across Optimism’s Superchain collective, which consists of dozens of projects working to scale Ethereum.
ASTR can now move between Astar’s Polkadot-based layer-1, Sony’s Soneium and eventually all OP Superchain networks, the company told Cointelegraph.
The company said ASTR represents one of the “first bridges between the Polkadot and Ethereum ecosystems,” potentially opening the door to ASTR becoming a multichain asset with wider utility.
Zain Bacchus, a staff product manager at Superchain developer OP Labs, said ASTR interoperability “creates an ideal foundation for DeFi growth across Ethereum and the Superchain.”
The crosschain functionality is…


