Why
Every yield in existence is quoted against an implicit alternative, and the alternative is a government bill. If a short-dated bill pays 5% for something close to no risk, then a protocol paying 6% is offering one percentage point for smart-contract risk, oracle risk, custody risk and the risk that you cannot get out on the day you want to. Written that way it is obviously a bad trade; written as 6% APY it is a product.
This single relationship explains more of the crypto cycle than most crypto-specific narratives do. When the risk-free rate is near zero, any positive yield looks extraordinary and capital floods toward risk because the alternative pays nothing. When it rises to 5%, that same capital has a safe place to sit and the on-chain yield has to work much harder for the same flow. Nothing about the protocols changed. The denominator did. m2-and-the-dollar is the other half of that mechanism.
And it reframes what a stablecoin issuer actually is. A fiat-backed issuer holds short-dated government paper and returns none of the interest to the holder. The issuer's business is the risk-free rate, which is why a high-rate environment is enormously profitable for dollar issuers and why the same product denominated in a low-rate currency is a much thinner business — the point two-currencies-one-ledger reaches from the euro side and what-needs-a-stablecoin reaches from the won side.
The discipline is to always subtract before comparing. A yield is only interesting to the extent it exceeds the floor, and most published comparisons put a gross on-chain number next to nothing at all. Subtract the bill, subtract the emissions, and what is left is the actual offer — usually small, occasionally excellent, and always smaller than advertised.
How it works
The subtraction, done properly
| Step | Example |
|---|---|
| Advertised APY | 12% |
Less: emissions portion (where-yield-comes-from) |
−7% → 5% real |
| Less: short-dated bill yield | −4% → 1% premium |
| What that 1% is paying for | Smart-contract + oracle + custody + exit risk, combined |
What moves when the floor moves
| Risk-free rate | Effect on on-chain yield demand | Effect on stablecoin issuers |
|---|---|---|
| Near zero | Any positive yield attracts capital; risk appetite is cheap | Reserve income near zero — issuers need another business |
| High | Capital has a safe alternative; on-chain must beat it | Reserve income is the business, and it is very good |
Same protocols, different denominator. This is worth holding next to any story that explains a cycle purely in terms of adoption.
Why the issuer's business is this line
| Holder | Issuer | |
|---|---|---|
| Holds | A token worth $1 | Short-dated government paper |
| Earns | Nothing | The bill yield |
| Bears | Redemption risk | Duration and operational risk |
Which is why a euro- or won-denominated version is structurally thinner: the float story is only as good as the rate on the currency's own short paper.
The honest caveats
- Risk-free means credit-risk-free, not risk-free — duration and inflation still bite, which is what
m2-and-the-dollaris about. - The right comparison is the bill in the currency your liability is in, not always dollars.
- A premium that looks thin may still be correct if the risk really is small; the point is to price it, not to refuse it.