This conversion is used when contacting a contract functionality that has the “payable�?modifier, which permits it to get ether. This component is almost just like what we talked about within the Bitcoin posting, so when you go through that one, you may skip it (Except if you need a refresher). https://vanityaddressgenerator75185.tinyblogging.com/the-2-minute-rule-for-are-ethereum-addresses-case-sensitive-74111010