Crypto ETFs appeared to hit $10B in hours, but filing data exposes where that money really came from

US spot Ethereum ETFs appeared to begin trading with $10.36 billion already inside them, an opening balance large enough to resemble an institutional buying wave before the first full session ended.However, almost all of that amount came from ETH that Grayscale's older trusts already held, so the launch moved an existing pool into exchange-traded products, while a much smaller share came from the other issuers' seed positions.The same accounting issue appears in Solana funds, but on a smaller scale, with Farside Investors listing $449.3 million on the products' seed row and assigning $102.7 million to the conversion of Grayscale's earlier Solana trust.Counting all of that money as “ETF demand” compresses inherited assets, launch financing, and later creations into one number, even though each describes a different transaction.Four numbers drive most crypto ETF totals: seed capital, legacy assets carried through a conversion, primary-market creations and redemptions, and assets under management.They're often grouped together, even though they describe different transactions, and only some increase the fund group's holdings during the measured period.A fund can launch old and fully f...