I just wanted to cross a chain, but ended up being educated all night.
Have you ever encountered a situation where you just wanted to transfer some USDC from ARB to SOL, but ended up having to open 8 websites, switch wallet networks, prepare Gas for the target chain, and pick the bridge yourself, only to have the transaction fail after all that operation? 🤡
Why is the cross-chain experience so difficult?
It's not that there are too few bridges or that the technology is insufficient, but rather that the experience is too fragmented and the logic is too scattered—what we need is not more bridges, but a method to 'unify' these bridges.
Thus, Jumper and LI.FI emerged.
1. Who is LI.FI? What is Jumper?
LI.FI
is the infrastructure engine, Jumper is the button you click.
LI.FI
Positioned as a unified solution provider for 'cross-chain bridge aggregation protocol + DEX aggregator + data communication system'. It provides developers with standardized interfaces for inter-chain asset flow through APIs and smart contracts, supporting over 17 public chain ecosystems including Ethereum, Solana, BNB Chain, Polygon, Base, and Arbitrum.
And Jumper is a one-stop cross-chain trading platform created by LI.FI. You can think of LI.FI as the developer behind it, while Jumper is the user-facing application layer entry.
Jumper uses LI.FI's aggregation technology to achieve true one-click cross-chain: users only need to select the source chain, target chain, and assets, and the system will automatically select the optimal path among dozens of bridges and DEXs to complete the exchange and asset transfer.
2. Behind the one-click cross-chain: How does LI.FI operate?
In simple terms, it makes the cross-chain process both convenient and worry-free.
When you initiate a cross-chain request on Jumper, the following process occurs behind the scenes (as shown in the image below):
1️⃣ You initiate the request.
For example, if you want to transfer 100 USDC from Arbitrum to Solana, the DApp will send this request to LI.FI.
2️⃣ LI.FI receives and starts scheduling.
It will simultaneously query multiple bridges, DEX aggregators, and more complex smart trading modules to see which path is the fastest, cheapest, and has the highest success rate.
3️⃣ Smart price comparison + automatic routing.
LI.FI will perform real-time comparisons of different routes (the entire process takes about 100 milliseconds), then return the optimal route.
4️⃣ Ultimately, the selected bridge/aggregator completes the cross-chain transfer.
The money safely and smoothly arrives on the target chain, and you basically don’t have to worry about the details of the process.
3. How to use Jumper for cross-chain?
Jumper usage tutorial (taking Arbitrum-ETH → Solana as an example), just look at the two images below to get it done:
Open the official website: https://jumper.exchange, connect your wallet in the top right corner (both Sol and EVM wallets need to be connected).
Select 'From' Arbitrum, 'To' Solana, enter the amount, click 'View Cross-Chain Details', and click confirm to complete.
4. In addition to cross-chain, Jumper activities can also be participated in.
Uncle has made a brief adjustment. Currently, Jumper is collaborating with multiple protocols to launch incentive tasks, including DeFi interactions, trading competitions, lotteries, and other activities:
After logging in, you can see your accumulated XP points, ongoing events, and completed tasks on your personal profile page (https://jumper.exchange/zh/profile).
Uncle might elaborate a bit 👀
1️⃣ Lisk Surge— a 9-week DeFi event with a total reward of $300,000, featuring 5 tasks, each subtask has corresponding $Lisk rewards. Aside from the DeGuard task, which is a lottery for whitelist access, the other 4 tasks are similar to deposit tasks.
Portal: https://jumper.exchange/zh/campaign/lisk
2️⃣ The Morph task has been skipped; it ends today 👀
3️⃣ DYDX lottery task—if your Jumper level is greater than 8, then go directly to the galaxy to verify the task, and then trade $1000 on DYDX to participate in the lottery (just a couple of transactions will meet the conditions).
Portal: https://jumper.exchange/zh/quests/rewards-from-dydx-2
Jumper allows you to cross-chain with one click.
LI.FI
uses a unified API to connect bridges, DEXs, and intent systems.
For Solana, this is not just cross-chain, but truly achieving seamless access to the ecosystem.
Cross-chain should not be a problem; LI.FI has already provided the answer ❤️