what does replaceable mean when sending in electrum

low fee indicator on electrum, electrum low fee

Low transaction fees - Gate.io charges only a low fee of 0.2%. Furthermore, fees are based on the spot buyer or manufacturer's spot and margin transaction fee table. Gate.io users can enjoy discounts based on volume. For more details, please visit its official website.

electrum additional fees, Digital Goods & Services | Electrum Payments

According to Bleeping Computer, the Bitcoin wallet app Electrom was on GitHub on May 9th, accusing a phishing product called Electrum Pro of stealing a user's seed key and registering a domain name called electrum without Electrum's permission. The Electrum team noted that there was a piece of code indicating that the counterfeit product might have taken the user's seed key and uploaded it to the electrum. Affected users should transfer funds from Bitcoin URLs managed by Eletrum Pro.