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Ethereum's ERC-20 Token Standard Has Been Formalized
Ethereum's ERC-20 standard – which sets the rules for token issuances – has been finalized after being introduced in 2015.
Oleh Rachel-Rose O'Leary
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The standard that governs how new cryptographic tokens can be launched on top of the ethereum blockchain has been been finalized.
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by the open-source project's developer team, the ERC-20 standard establishes a common set of rules for tokens issued via ethereum smart contracts, and currently serves as the basis for the many tokens that have been released through initial coin offerings (ICOs).
The standard has now been formalized on the ethereum GitHub page, meaning that going forward, all tokens built on ethereum should conform to the standard.
ERC-20 was previously unenforced, but it had been readily adopted by token developers since its introduction in late 2015. The standard ensures that ethereum-based tokens perform in a predictable way throughout the ecosystem, such that decentralized applications and smart contracts are interoperable across the platform, and that all tokens follow a fixed standard of security.
A token is a script running on top of the ethereum blockchain, with an associated database keeping track of ether payments. The term has gained widespread use in ICOs, most of which already use ERC-20 tokens.
The development comes as the roadmap for ethereum's next major upgrade, Metropolis, becomes clearer. Developers revealed last week that a new testnet will be launched a week from now.
Pending the success of that process, ethereum's actual upgrade could come as early as October.
Glass marbles image via Shutterstock
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KuCoin captured a record share of centralised exchange volume in 2025, with more than $1.25tn traded as its volumes grew faster than the wider crypto market.
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- KuCoin recorded over $1.25 trillion in total trading volume in 2025, equivalent to an average of roughly $114 billion per month, marking its strongest year on record.
- This performance translated into an all-time high share of centralised exchange volume, as KuCoin’s activity expanded faster than aggregate CEX volumes, which slowed during periods of lower market volatility.
- Spot and derivatives volumes were evenly split, each exceeding $500 billion for the year, signalling broad-based usage rather than reliance on a single product line.
- Altcoins accounted for the majority of trading activity, reinforcing KuCoin’s role as a primary liquidity venue beyond BTC and ETH at a time when majors saw more muted turnover.
- Even as overall crypto volumes softened mid-year, KuCoin maintained elevated baseline activity, indicating structurally higher user engagement rather than short-lived volume spikes.
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Here's what bitcoin bulls are saying as price remains stuck during global rally
It's about a lot more than "zooming out." Supply overhangs and investor "muscle memory" regarding gold help explain bitcoin's poor absolute and relative performance.
What to know:
- Bitcoin has failed so far to act as an inflation hedge or safe-haven asset, lagging badly behind gold, which has surged amid high inflation, wars, and interest rate uncertainty.
- Crypto advocates argue that bitcoin’s weakness reflects a temporary supply overhang, investor “muscle memory” favoring familiar precious metals and its correlation with risk assets, rather than a collapse in long-term demand.
- Many bitcoin proponents still see BTC as a superior long-term store of value and “digital gold,” predicting that, once traditional hard assets are overbought, capital will rotate into bitcoin, allowing it to “catch up” to gold.
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