Developer Alexander Zvezdin (@k2eno) has proposed ERC-8378, a 'Parametric Token' standard that extends ERC-20 by attaching per-account parameters (e.g., prediction prices, mint times, trust scores) that mutate deterministically on transfer, keeping tokens fungible while carrying state. The draft introduces sub-accounts, specific and general allowances, and optional non-zero-sum transfers, targeting use cases like liquidity consolidation for prediction markets, velocity control, advanced derivatives, and agentic systems. The author is seeking feedback on open questions including gas overhead, parameter limits, sub-account deletion, NZS detection via ERC-165, and economic safeguards for mint/burn engines.
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