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Bitcoin’s DeFi shortcomings are tested as OpNet activates smart contract functionality on mainnet.

Bitcoin is taking a step deeper into decentralized finance as OpNet goes live on mainnet, introducing native smart contracts and unlocking yield opportunities directly on the network.

The newly launched protocol enables users to access DeFi services such as trading, lending and staking without moving their bitcoin off the base layer. All activity is executed through standard Bitcoin transactions, with BTC remaining the only fee token.

DeFi has long been dominated by smart contract platforms like Ethereum, leaving Bitcoin holders dependent on workarounds such as wrapped tokens, bridges or custodial platforms to participate. These methods often introduce counterparty risk and weaken Bitcoin’s self-custody ethos.

OpNet aims to eliminate those trade-offs by allowing DeFi applications to run directly on Bitcoin. Users can connect their wallets and interact with protocols while maintaining full control of their assets, without relying on intermediaries.

The system works by embedding smart contract logic into Bitcoin transactions, which are then validated by miners. This ensures that all application activity is secured and recorded on Bitcoin’s base layer.

At launch, OpNet includes a native DeFi stack supporting permissionless smart contract deployment, with a focus on trading, yield generation and token issuance. Developers can create assets using the OP-20 standard and build applications that settle directly on Bitcoin.

MotoSwap is among the first live applications, offering a decentralized exchange for BTC and OP-20 tokens. It uses a two-step execution model designed to accommodate Bitcoin’s slower block times, alongside staking features that enable users to generate yield.

Rather than competing on speed, OpNet leans into Bitcoin’s design. The protocol frames slower block times and congestion-driven fees as a benefit, creating friction that keeps liquidity in place and reduces rapid capital outflows.

This “SlowFi” model is designed to encourage longer-term participation and more stable liquidity conditions, in contrast to the fast-moving cycles often seen on other blockchains.

The team plans to expand the ecosystem further with stablecoin support via the OP-20S standard in early Q2 2026, a development that could significantly enhance the utility of Bitcoin-native DeFi.