Trademark.

ELECTRUM ABC is a trademark of Electrum LLC.

What you may do

• Refer to "Electrum ABC" in articles, documentation, and reviews.
• Use the name and logo to link to this site or the official repo.
• Distribute unmodified official binaries.

What you may not do

• Use the name "Electrum ABC" for forks or modified builds.
• Use the logo in a way that implies an endorsement that does not exist.
• Register confusingly similar domains.

If you are unsure, ask first.