The most cost-saving strategy for the latest WEB3 wallet BOB task with low gas

This wallet task is L2 chain BOB, dividing tokens worth $300,000. Here's how to spend the lowest GAS to get this hair. The average GAS loss of a single number is about 1.8u (calculated on the basis of 3 numbers, the more numbers, the more savings), and the funds of a single number occupy 0.0003BTC (about 20u).

Now gas is very suitable

① Prepare BTC main network funds task 1, BOB cross-chain task 2, Bedrock pledge BTC task 3, SOLV pledge BTC