Hi, i think i have the same problem. I send ETH from my Coinbase Wallet (selfcustody) to my Brave Wallet but the ETH balance in my Brave Wallet says 0 and no transaction either. I contacted Coinbase support and they said the transaction went correct and the ETH should be in my Brave Wallet now.
Blockscan also says the transaction was succesful
Could you tell me what to do now? Thank you kindly.