ERC-8391 Aims to Standardize Market State Data for Tokenized Stocks

Eric Connor, a former Ethereum core developer, has proposed a new token standard called ERC-8391 to improve how smart contracts handle market state information for tokenized stocks and other real-world assets.

The standard aims to address the issue of distinguishing between a market that is simply closed and one that has halted trading or experienced a major event. This problem arises because traditional exchanges, such as the New York Stock Exchange, operate only about 32.5 hours per week, whereas tokenized stocks trade on blockchain networks 24/7.

The proposed ERC-8391 standard introduces an asset-state interface that separates market data from market context. Instead of relying solely on price feeds, smart contracts would be able to access a structured layer of information that describes the operational status of the asset, including flags for trading halts and conditions under which redemption can occur.

Connor emphasizes that the standard is designed to be flexible enough to accommodate various types of real-world assets, not just equities. This could extend to bonds, commodities, and other tokenized financial instruments.