What is Semantic Layer (42)?

By CMC AI
18 February 2026 07:21AM (UTC+0)
TLDR

Semantic Layer (42) is an infrastructure protocol that gives decentralized applications (dApps) programmable control over their transaction execution, aiming to reclaim value and improve scalability.

  1. Purpose & Value Proposition – It solves issues of value extraction and limited control by letting dApps internalize revenue and set custom rules.

  2. Technology & Architecture – Its core innovation is Application-Controlled Execution (ACE), a system where dApps, not validators, manage transaction order and logic.

  3. Tokenomics & Utility – The 42 token is used for governance, staking, fee settlement, and redistributing captured value within the ecosystem.

Deep Dive

1. Purpose & Value Proposition

Semantic Layer addresses two critical problems in decentralized finance: miner extractable value (MEV)—where validators capture user transaction value—and rigid scalability. The protocol's stated goal is to let "dApps internalize MEV" (CoinMarketCap), capturing revenue from transaction ordering (like backrunning) for themselves or their users. It also allows dApps to scale throughput independently from the base blockchain, offering a more efficient and user-centric model.

2. Technology & Architecture

The protocol operates as an execution layer between dApps and a base chain (like BNB Chain) using Application-Controlled Execution (ACE). This design shifts control: instead of relying on external validators or block builders, a dApp using Semantic Layer can dictate the order, conditions, and logic of its users' transactions. This enables features like custom execution policies (e.g., prioritizing cancellations) and co-processor integration, allowing data from external services like oracles to be injected directly into transaction flows.

3. Tokenomics & Utility

The 42 token facilitates the protocol's operations and governance. According to a project guide, its utilities include governance/voting, staking for network security, paying fees, and redistributing internalized MEV (WEEX). With a total supply of 1 billion tokens, allocations are designated for staking (24%), private sale (19%), team/advisors (12%), ecosystem growth, and community initiatives.

Conclusion

Fundamentally, Semantic Layer is a protocol that re-architects transaction execution to empower dApps with sovereignty, scalability, and value capture. Will its model of application-controlled sequencing become a standard for the next generation of decentralized infrastructure?

CMC AI can make mistakes. Not financial advice.