Robinhood Built a Blockchain for Stocks. The Cat Memecoins Took It Over.

Robinhood brought its own blockchain online this summer so that European customers could trade American stocks around the clock. Five weeks later the chain holds tokenised equities worth roughly $13 million — and a set of cat memecoins that were briefly worth ten times as much. You can dismiss that as a curiosity. The more useful question is why it happened, because the pattern has repeated on every new chain for years. This guide explains what Robinhood Chain technically is, how the memecoin wave came about, how investors get access, and what to watch for. What Robinhood Chain technically is The public mainnet went live on 1 July 2026. Technically it is an Ethereum layer-2 built on the Arbitrum Orbit stack: security comes from Ethereum, transaction fees are paid in ETH, and execution runs on a dedicated chain operated by Robinhood. Arbitrum documented the launch itself. The purpose was known from the outset: tokenised stocks and ETFs. Robinhood began issuing more than 200 US stock and ETF tokens to EU customers in 2025, initially on Arbitrum One, intending to migrate them to its own chain later. The appeal for European investors is straightforward — trading well beyond US market h...