You can't download your assets. They are virtual. What you can do is generate an address locally and transfer your bitcoin funds from coinbase to that. Remember

You can't download your assets. They are virtual. What you can do is generate an address locally and transfer your bitcoin funds from coinbase to that. Remember to save your secret of you are just throwing (virtual) money in a canyon. https://github.com/pointbiz/bitaddress.org https://github.com/pointbiz/bitaddress.org https://bitcointalk.org/index.php?topic=43496.0 https://bitcointalk.org/index.php?topic=43496.0