Yes, ethereum addresses are case-sensitive. It's essential to use the right capitalization when entering an address to ensure your transaction goes to your meant recipient. Double-Test your address just before sending any funds. Download from ethaddress.org or run from the web on your web browser from . @ryepdx would be https://emiliouurrn.canariblogs.com/vanity-eth-no-further-a-mystery-44690872