WalletConnect: The 'Invisible Glue' of Cross-Device DeFi Composability
Title: You Might Not Have Noticed, but Without It, DeFi Would Struggle to Move Forward: The Composability Value of WalletConnect
In the world of DeFi, "composability" is hailed as the Holy Grail. We often understand it as the mutual invocation at the smart contract level. But there is another equally important yet often overlooked form of composability—cross-device and cross-application composability. And WalletConnect is the indispensable "invisible glue" that achieves this composability.
Imagine a typical complex DeFi operation:
You discover a new liquidity mining opportunity on the large screen of your computer through an aggregator like Zapper or Zerion. You click "Participate," and the aggregator generates a complex transaction sequence that requires interaction with three different protocols (such as Uniswap, Aave, Yearn). Then, you scan a QR code using WalletConnect and securely sign and approve this multi-step transaction on your mobile Ledger hardware wallet.
In this process, WalletConnect plays a key role in connecting everything:
It connects the desktop aggregator dApp with the mobile wallet App. It connects the convenience of software wallets with the security of hardware wallets. It connects the user's simple intention ("I want to participate in this mining") with the underlying complex contract interactions.
Without the open, universal communication standard established by WalletConnect, the user experience in DeFi would regress to an isolated and fragmented era. It is like the TCP/IP protocol of the internet world; although users cannot see it, it is its existence that allows various devices and applications to "communicate" freely, thereby constructing the rich and powerful DeFi Lego world we see today.
