If you want to take your on-chain crypto profit, you simply want to withdrawal the profit from a source, like an exchange or wallet, to service a wallet on an blockchain. First, make sure you control a private wallet. This could a be a hardware wallet you control, or you could control a wallet within a software wallet, which services the blockchain in which your assets are with. Then, you will create a withdrawal transaction on the exchange or platform source. In the withdrawal transaction you will provide the address for your wallet. You should always double-check that the address is right and it is the proper address for your crypto price’s network, so you do not subsequently lost funds. Once the transaction is confirmed on-chain, your profit will be transferred to your wallet securely with no issues and you can easy access funds at any time. Note, your withdrawal could incur a fees for the network and this could vary is based on the blockchain network, therefore always keep in mind when withdrawing your on-chain crypto profit.