THORChain announced version 3.20 on 26 August 2026, enabling native Monero and Zcash swaps against the major chains it already supports. Native here means what it says: XMR in, BTC out, with no wrapped representation and no custodian in the middle.
For two assets that custodial exchanges have spent five years delisting, that is a structurally new route rather than an incremental one.
How the mechanism differs from an exchanger
Both get you from XMR to BTC without an account. They are not the same trade.
| Cross-chain AMM | Instant exchanger | |
|---|---|---|
| Price formation | pool depth, slippage grows with size | quoted rate from a desk |
| Who bears price risk | you, between deposit and settlement | the service, on a fixed quote |
| Failure mode | refund to origin, minus fees | refund or manual review |
| Size ceiling | pool depth | published reserve |
| Cost driver | slippage plus outbound fee | spread plus service fee |
The practical difference is where the uncertainty sits. An AMM gives you a price that is a function of your own order size, which is transparent but unbounded — a large order pays for the depth it consumes. An exchanger gives you a number up front and absorbs the movement, which costs a spread and caps out at whatever reserve it publishes.
Neither is universally cheaper. Small orders on deep pools usually win on the AMM; anything that would move the pool more than the exchanger’s spread usually wins at the desk. That crossover point is the whole decision.
What is actually hard about native XMR
Monero is not just another chain to add. Three properties make integration genuinely difficult:
Balances are not publicly readable. A network that has to prove it holds reserves cannot do so by pointing at an address, so proof of funds requires view keys and off-chain attestation.
Outputs are not reusable the way UTXOs are. Change handling and output selection have to be built to the protocol’s rules, not adapted from bitcoin’s.
Confirmation economics differ. Ring signatures and the dynamic block size make fee estimation less predictable than on a fixed-blocksize chain.
Shipping this at all is an engineering result. It is also why the first weeks of any such integration carry more operational risk than the steady state — early pools are thin, and thin pools mean slippage.
What it means for someone swapping today
More routes is unambiguously good. Every additional venue that quotes XMR and ZEC reduces the dispersion between the best and worst available price, and privacy assets have the widest dispersion on the board.
Compare the total, not the headline. An AMM route with zero service fee can still deliver less than a desk quote once slippage and the outbound fee are counted. The only number worth reading is what lands in your wallet.
Watch pool depth in the first weeks. Until liquidity providers commit, a mid-sized order can move a new pool several percent. Split it, or use a service whose published reserve covers it outright.
Privacy is about the route, not only the asset. A native swap avoids a custodial account; it does not avoid the chain analysis on the transparent leg. Our private exchange flow exists for the same reason — routing through a shielded intermediate is a deliberate design choice, not a side effect.
FAQ
Does THORChain 3.20 mean I no longer need an exchanger for XMR?
It means you have another route. Which is cheaper depends on your size versus the pool depth on the day.
Is a native swap more private than an instant exchanger?
It removes one intermediary, which is meaningful. It does not make the transparent side of the trade private.
What happens if a cross-chain swap fails midway?
The protocol refunds to the origin address minus fees. Recovery is automatic but not free, which is another reason to size around pool depth.
Where do I compare XMR routes right now?
The Monero page lists every tracked service with its live payout, fee and reserve, so the desk quote and the pool quote can be compared on the same basis.