Bitcoin has spent years sitting outside the DeFi boom. Ethereum has decentralized exchanges, lending markets and stablecoins. Solana built its own trading ecosystem. New chains launched with entire financial stacks ready from day one. Bitcoin mostly kept doing what Bitcoin does, moving BTC and securing the network.
So crypto found workarounds. Take Bitcoin, lock it somewhere, issue a token that represents it on another blockchain, and suddenly that value can move through DeFi.
Wrapped Bitcoin became a major part of the market because the idea works. But it also created a strange situation. To use Bitcoin across crypto, users often had to stop using Bitcoin itself.
There is now another option. Instead of rebuilding BTC as a token on somebody else’s blockchain, protocols can connect directly to Bitcoin and trade the native asset where it already lives. THORChain has spent years building around that idea.
Most DeFi markets are built inside individual blockchains. ETH and ERC-20 tokens can interact easily because they live in the same environment. The same goes for assets inside Solana or other smart-contract networks. Bitcoin is somewhere else entirely.
If someone owns BTC and wants ETH, there is no native Bitcoin function that simply hands the transaction over to Ethereum. The two networks were never built to talk to each other. Wrapped assets then must jump in to fill the gap.
A user deposits BTC into a system that holds or secures it, and another token is created elsewhere. That token tracks Bitcoin’s value and can then be traded, lent or deposited into applications on the destination chain.
It opened a huge amount of Bitcoin-linked capital to DeFi. It also means the user is now relying on several outside factors.
There is the issuer or bridge. There are smart contracts. There is a redemption mechanism. There may be custodians involved. The token may be called Bitcoin, branded like Bitcoin and trade close to the price of Bitcoin, but it is still another asset running on another network.
For exchanging BTC into another cryptocurrency, it can be unnecessary steps.
THORChain is a decentralized exchange built to swap assets between blockchains without first wrapping them. Someone holding BTC can send Bitcoin from a Bitcoin wallet and receive ETH at an Ethereum address. The BTC stays native to Bitcoin until it enters the swap. The ETH that comes out is native ETH. No WBTC needs to be minted.
The same basic setup works across the other networks supported by the protocol, including chains such as Solana, BNB Smart Chain, Avalanche, Base, XRP Ledger and Litecoin. This puts THORChain in a different category above most standard decentralized exchanges.
Uniswap trades tokens that already exist on Ethereum. A Solana DEX trades assets already sitting on Solana. THORChain is dealing with coins that live on separate networks and were never designed to share a market, which requires a different structure underneath.
Every THORChain liquidity pool connects a supported asset with RUNE, the protocol’s native asset. A BTC-to-ETH trade does not need a dedicated BTC/ETH pool.
The protocol can route BTC through a BTC/RUNE pool and then into an ETH/RUNE pool. The person making the trade does not need to go out and buy RUNE first. The routing happens behind the scenes.
This keeps THORChain from having to create a separate liquidity market for every imaginable pair.
Add more assets to a traditional pair-by-pair system and the number of pools explodes. BTC/ETH. BTC/SOL. BTC/USDC. ETH/SOL. ETH/USDC. SOL/USDC. Keep going and liquidity starts getting spread across dozens of separate markets. RUNE gives those pools a common connection.
For traders, most of that is invisible. They send one asset and receive another.
Suppose someone wants to swap native BTC for native ETH. They choose BTC as the input, enter an Ethereum destination address and send Bitcoin from their wallet.
THORChain’s nodes detect the incoming Bitcoin transaction. The protocol handles the pool routing, then authorizes the outbound ETH transaction from its network vault.
Those vaults do not work like a usual exchange wallet controlled by one company. THORChain uses threshold-signature cryptography, meaning no single node holds the full signing key needed to move the assets.
Node operators also bond RUNE as collateral. That bond forms part of the protocol’s security model and can be penalized when nodes break the network’s rules.
There is still infrastructure in the middle. There is still protocol risk. None of this should be confused with magically teleporting coins between chains. But the user does not leave BTC sitting in a centralized exchange account and does not receive a wrapped representation of Bitcoin on the other side.
The trade settles from one native asset into another.
Native cross-chain trading is not just an interesting technical experiment anymore.
THORChain reported $2.82 billion in swap volume during the first quarter of 2026. BTC-to-ETH was its biggest route, accounting for roughly $981 million.
BTC-to-stablecoin trades added hundreds of millions more. Those numbers show what people are actually doing with the protocol.
A meaningful chunk of THORChain activity comes from users moving between Bitcoin and other major crypto assets without putting a wrapped version of BTC in the middle. That is a very different version of “Bitcoin DeFi” from the one the industry has discussed for years.
There is a constant effort to make Bitcoin do more. New layers promise smart contracts. New protocols are trying to build lending around BTC. Developers keep pushing more financial activity toward the Bitcoin ecosystem.
Some of that will work. Some of it probably will not. But Bitcoin does not need to become Ethereum for its liquidity to become useful across crypto. It can remain the relatively simple network it was designed to be, and instead infrastructure can be built around it.
THORChain shows what that can look like. Bitcoin sits on Bitcoin. Ethereum sits on Ethereum. Solana sits on Solana. The protocol handles the exchange between them. Native cross-chain liquidity makes the world come to Bitcoin instead.
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