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World Chain has deployed an innovative solution to address blockchain congestion caused by automated bots. The layer-2 network, associated with OpenAI's Sam Altman, launched Priority Blockspace for Humans (PBH) on June 26 - an open-source mechanism that allocates premium block space for Orb-verified human users. This development follows industry reports indicating 【80%】 of blockchain transactions now originate from automated systems.
Steven Smith of Tools for Humanity revealed most onchain activity stems from AI agents, with unproductive bots like airdrop farmers exacerbating network congestion. ——This creates a paradox where blockchain optimization for throughput inadvertently attracts more bot activity——. The issue parallels challenges faced by social platforms, with former Binance CEO Changpeng Zhao recently advocating for complete bot bans on X.
World Chain's solution involves reserving the top 20% of each block for human-verified transactions. The technical implementation required collaboration with Flashbots, specialists in miner-extractable value (MEV) solutions, alongside Optimism and Nethermind. Flashbots confirmed the system's production readiness after rigorous testing.
While acknowledging some bots serve legitimate purposes, World Chain emphasizes distinguishing synthetic from human interactions. Nanak Nihal of Holonym notes the technical feasibility of such systems, questioning whether major platforms will adopt similar human-first approaches.
The PBH mechanism introduces a novel transaction ordering dimension beyond gas fees - verified humanness. During network congestion, Orb-authenticated users gain guaranteed transaction inclusion without competing with automated systems. This development follows World Chain's broader initiative to create human-centric blockchain infrastructure.
Industry observers will monitor how this approach impacts network efficiency and whether competing chains adopt similar human verification systems. The solution represents one of the first large-scale implementations of biometric authentication for transaction prioritization in Web3.