Did i loose my money ?

[bhabygrim]

Hey  look may be its copy paste problem.. but you should  first  your computer. DO you install any antivirus?  Because  sometimes some antivirus softwares are also scam and  they may damage  your files.. so be careful..

I don't have any AV software on my machine.

Is the Electrum app trustable ? I downloaded from https://electrum.org/#home

Then there is a great chance that it was a malware or a virus.
It is not new in crypto currency there are plenty of incidents like this.
You should really make sure that your computer or gadget that you are using for crypto transactions are always safe .

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[Artemis3]

I'm on a Mac, and my machine probably is not infected with any viruses, i suppose.

What makes you think Macs are safe? Apple? Ask them to refund your lost bitcoins and see how well it goes...

No, if you wanted to be safe, you should have booted with a live Linux distro. This has all the signs and tells of a typical address replacing malware.

Also, you could have used the preview button to double check, and triple check you were pasting the correct address in case it was a genuine mistake.

[thefunkyjoint]

I still don't know what happened. I downloaded Electrum from it's official site and i'm sure i pasted the correct address. The most likely situation i can think is a downloaded an infected Electrum app from its official site. I'm not a newbie in computers, actually i'm a software developer with more then 20 years of experience.

That's a very bad experience. I lost all trust on this and will never more buy BTCs, better leave my money on the usual investments :p

[Pmalek]

No don't call the above posted number OP. Electrum doesn't have a help desk. No idea what service that is for. The user who posted the number - Gloria4u has negative trust so be cautious.

[HCP]

The most likely situation i can think is a downloaded an infected Electrum app from its official site.

I highly doubt that... especially if you can verify the digital signature... did you verify the digital signature?

Given that you're "a software developer with more than 20 years experience", verifying the digital signature shouldn't take you more than a few minutes.

[Lucius]

I don't have any AV software on my machine.

What could i use to check my Mac for this kind of malware ?

Such statements and questions do not reflect a person who has 20 years of experience in software developing. Although some claim that using of antivirus / firewall / antimalware is useless, someone like you should know that this is not the case.

If you are 100% sure that you download from official site, then you are victim of probably clipboard malware which change recipient's address. But since you have completely unprotected device, there are other possibilities how hacker can get in your device, maybe you have remote access trojan.