Yesterday, when I was trying to add NFT to the core chain on zkbridge, a friend sent me a private message asking me what to do if there is no gas. Here is an interaction about one meat and three meals, L0+Polyhedra+opBNB.
1. First get started on the BNB chain: https://testnet.bnbchain.org/faucet-smart
Then cross-chain from BNB to opBNB: https://opbnb-testnet-bridge.bnbchain.org
2. Prepare 1U of usdc on the BNB chain, and then use the CORE cross-chain bridge to cross to the CORE chain. 1U+0.02 CORE will be credited as GAS. The bridge used here is also based on L0.
https://bridge.coredao.org/bridge
Use archerswap to exchange USDC for CORE https://archerswap.finance/swap
Then receive the panda NFT from the CORE chain on zkbridge and transfer the NFT to the opBNB chain http://zkbridge.com/gallery/pandra
After receiving the account, click chiam to complete the TX+2 of L0, and add the entry and exit of the CORE chain.
