Horizen's ZEN Token Migrates to Base as ERC-20, Drops Proof-of-Work Mining

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ZEN, the ecosystem token of the Horizen network, was migrated from its legacy mainchain to Base as an ERC-20 token in July 2025, ending its previous proof-of-work mining model. The old Horizen chains were discontinued following the migration, though the maximum supply remains capped at 21 million ZEN. ZEN now serves as a governance and ecosystem token, with staking on the Horizen Mainnet having launched in July 2026. Notably, transaction fees on Horizen are paid in ETH rather than ZEN, a detail that distinguishes it from traditional token models. ZEN can be bridged between Base and Horizen via infrastructure such as Stargate and LayerZero, making network awareness essential when transferring or storing the token.

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