Coinbase to Block Chain Transfer Delay I recently sent a friend of mine around $950 in BTC from Coinbase to his BTC wallet on BlockChain.info.

The transaction is showing up as completed in my account, but he claims he has not received the money yet...

I'm not sure why this issue is occurring. Can someone please help? Obviously, with an amount like $950, I can't just lose that money...
Since there is no dispute about the address, you can check whether the transaction has confirmed on any of the blockchain explorers freely available, such as blockexplorer.com or the aforementioned blockchain.info.

If the transaction shows up as confirmed there, and the receiving address matches the address that he told you, the money has been successfully signed over to his control. That's sufficient to prove that you paid.

If the payment is still not showing up in his wallet, the problem is on his side, and he should either look into what's wrong with his wallet or check in with the customer support to fix his access to his funds.