Good stuff ...upgrade your app and DO NOT keep your bitcoins on coinbase - I advise you to use coinbase to buy and sell but once you see your coin in coinbase - move it to a cold or hot wallet (better cold like Ledger nano) and don't keep your crypto currency in coinbase.
N.B.
you don't actually own your cryptocurrency if you don't own the privet key
Good stuff ...upgrade your app and DO NOT keep your bitcoins on coinbase - I advise you to use coinbase to buy and sell but once you see your coin in coinbase - move it to a cold or hot wallet (better cold like Ledger nano) and don't keep your crypto currency in coinbase.
N.B.
you don't actually own your cryptocurrency if you don't own the privet key