The OTP has the benefit that you can delay the 10GB transfer until later. For instance, you might be able to transfer 10GB safely today, but tomorrow you or you

The OTP has the benefit that you can delay the 10GB transfer until later. For instance, you might be able to transfer 10GB safely today, but tomorrow you or your friend might go off to a dangerous place and you can no longer do the transfer and the data you want to transfer can only be generated after going into the dangerous place. That all said, I still don't know what problem blockchain solves. Other than crypto-currency.