The problem BTC-ETH solves

With our sdk users can easily swap BTC to WBTC across various chains like Polygon, Astar, Ethereum, X Layer. We have used AggLayer Unified Bridge for easily bridging between assets across chain connected to AggLayer. UNified bridge contract deployed on Wanchain https://testnet.wanscan.org/address/0x8c43FEAbe31C39f009B7A843b0Fe64689F4ceb74

Challenges I ran into

Was bit hard to use Nillion