First you must configure metamask to be able to receive those CUBs, configure binance smart chain, here it tells you how to do it: https://academy.binance.com/en/articles/connecting-metamask-to-binance-smart-chain

then you will have an option to "add tokens" within that branch that you configured, there you must do something similar adding the CUB configuration: Contract Address: 0x50d809c74e0b8e49e7b4c65bb3109abe3ff4c1c1 https://docs.cubdefi.com/tokenomics/cub-token

Finally, you claim them as follows: https://docs.cubdefi.com/tutorials/cub-claimdrop-tutorial

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