A New Weapon Against MEV in DeFi
Batched Threshold Encryption (BTE) is emerging as one of the most promising cryptographic tools to tackle front-running and sandwich attacks—the core of Maximal Extractable Value (MEV) issues in decentralized finance.
By encrypting transactions until after a block is finalized, BTE prevents malicious actors or bots from gaining insight into pending orders. That means no more jumping the queue or manipulating prices just before a user’s trade gets executed.
This could mark a fundamental shift in how fairness is achieved in DeFi protocols.
Breakthrough With BEAST-MEV Upgrade
The recent BEAST-MEV (Batched Efficient Asynchronous Secret-sharing Threshold-MEV) upgrade has dramatically improved BTE’s real-world feasibility:
- •<1-second decryption time for ~500 transactions
- •Just 6KB of communication overhead
- •Silent and non-interactive setup, eliminating complex coordination between nodes
This is a massive leap from earlier encryption schemes, which were often too slow or resource-heavy for practical DeFi use. With this efficiency, BTE becomes compatible with real-time trading environments, including automated market makers (AMMs) and decentralized exchanges (DEXs).
Can BTE Make DeFi Fair Again?
Frontrunning and MEV have long plagued DeFi, damaging user trust and increasing the cost of participating in decentralized markets. BTE doesn’t just add privacy—it levels the playing field, making every transaction equally visible only after the block is locked in.
This ensures no preferential access, restoring the foundational principles of trustlessness and transparency that DeFi was built on.
If BTE with BEAST-MEV is widely adopted, it could be the final piece in solving DeFi’s fairness dilemma—bringing private, fair, and efficient trading to millions of users.