https://staging.rareskills.io/courses/solidity-bootcamp 2026-06-03T08:37:38.056Z weekly 0.8 https://staging.rareskills.io/courses/zk-bootcamp 2026-06-05T18:55:49.021Z weekly 0.8 https://staging.rareskills.io/courses/rust-bootcamp 2026-05-20T06:16:50.684Z weekly 0.8 https://staging.rareskills.io/courses/uniswap-v3-bootcamp 2026-04-21T11:12:02.549Z weekly 0.8 https://staging.rareskills.io/courses/circom-bootcamp 2026-01-30T11:45:41.541Z weekly 0.8 https://staging.rareskills.io/courses/invariant-testing-bootcamp 2026-04-22T17:47:36.300Z weekly 0.8