MetaMask, Linea, and Brevis have teamed up to roll out a new rewards campaign for MetaMask cardholders.
This initiative, which utilizes zero-knowledge (ZK) proofs, is aimed at providing a transparent and secure way for users to earn a rewards boost on their DeFi activities. Users with at least one transaction on their MetaMask card are now able to earn a 2.4% APR boost on USD Coin (USDC) lending or borrowing via Aave’s Linea market, capped at a combined total of 5,000 USDC.

The collaboration aims to develop a new model for web3 incentives, addressing common issues such as opaque tracking and high barriers to entry. The rewards are calculated every four hours and can be claimed through Incentra, Brevis’s on-chain rewards platform. Brevis’s zero-knowledge proof technology verifies user activity directly from Aave’s smart contracts without relying on a centralized database.
Additionally, the rewards program allows MetaMask card users to earn USDC and other digital assets as cashback from participating brands on the Linea network. The move follows speculation about a potential MetaMask stablecoin, although there have been no official confirmations. This program signals a growing trend of crypto platforms integrating DeFi protocols and ZK technology to enhance user engagement and security within their ecosystems. It also highlights the increasing importance of verifiable on-chain data for building trustless and transparent incentive mechanisms.
The collaboration comes as the broader crypto landscape continues to innovate with new payment and rewards solutions. For instance, stablecoins recently surpassed Visa’s transaction volume, reaching the milestone in just five years, compared to Visa’s four decades. The market is seeing a surge in projects focused on crypto infrastructure and regulated financial services. Bakkt, for example, is transitioning to a pure-play crypto infrastructure company after a $75 million capital raise and plans to launch an AI-driven stablecoin payments platform. This reflects a maturing industry where institutional trust and regulatory clarity are becoming paramount.
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