Just realized something worth paying attention to. Stablecoin issuers pulled roughly $5 billion from Ethereum deployments last year, and the way they actually make money is pretty straightforward once you break it down.

Here's how the mechanism works. An issuer takes your dollar, mints a dollar-pegged token, then parks that dollar in yield-bearing assets, mainly US Treasury bills. You get price stability. They keep the yield spread. At current Treasury rates, that spread is actually meaningful. Pretty simple arbitrage.

Token Terminal's data shows this breaks down by quarter. Revenue held relatively flat around $1.1 billion in the first half of 2025, then jumped to $1.3 billion in Q3 and edged slightly higher in Q4. But here's the interesting part - the supply growth tells a different story. Ethereum stablecoin supply was basically flat through mid-year, then accelerated hard in Q3 and Q4, hitting over $160 billion by year end. Revenue grew, but supply grew faster. That gap matters.

What it suggests is yield rates compressed as the market scaled. You see this happen in every market - per-unit margins compress when volume expands. Not alarming, just normal market dynamics.

Now here's where it gets political. Those $5 billion in yields went entirely to the issuers. Stablecoin holders got zero. Banks see this and call it unregulated interest rate competition. Some people in the industry argue holders should get a cut, which is why you're seeing pushes for yield-sharing programs around 3.5%. The policy fight is really about who participates in that carry trade.

The bullish take is obvious - Ethereum is functioning as settlement infrastructure for a business generating billions in annual revenue, and supply is still growing. If tokenization expands to other financial assets like the macro thesis suggests, the activity base expands too.

The honest caveat though: Ethereum doesn't directly capture most of that $5 billion. The issuers do. Ethereum's actual claim is on transaction fees and network activity, which are a fraction of the revenue figure. So the $5 billion describes the scale of business happening on Ethereum, not the revenue flowing to ETH holders. That's a meaningful distinction.

The data shows adoption is real. Whether that adoption actually translates into value accrual for token holders through fee capture and staking yields - that's still being determined. Worth watching how this plays out.