Any concepts or can somebody be of help? I actually do not know what to do
TL;DR: Your cash has been stolen. There may be nothing you are able to do that has any vital chance to get well your $660.
The thief received entry to the private-keys saved in your pockets.
a transaction someday in March of 2019 was made and I did not make any transactions in March
One chance is that somebody gained entry to your pockets and stole your cash.
One latest subject was with the Electrum pockets.
Nevertheless, you probably have a PC pockets or entry a web-based pockets from a PC it’s all the time doable that different malware in your PC stole your passwords and used them to entry your pockets, steal cash and at last erase logs and knowledge to cowl their tracks.
I’ve put my receiving tackle into [a] block chain [explorer]
Most trendy wallets are HD wallets that create a brand new receiving tackle for every transaction.
I created new receiving addresses which I learn can generally [make] your accessible bitcoins seem.
I’ve not heard of this, it must be a bug in a selected pockets. On the whole I might be stunned if this helps.
Should you discovered surprising transactions in a blockchain explorer, it’s unlikely that there’s a fault in your pockets software program. Extra probably you’re a sufferer of theft.
In case your pockets is misbehaving. One answer is to make a cautious copy of your seed-words or your non-public key (it’s best to have these already in a protected place), then use these on a contemporary pc (or cellphone and so forth) to obtain and set up the pockets software program from the one real trusted web site and make a brand new duplicate pockets and let it synchronise absolutely. You needn’t erase your outdated pockets till the brand new one is working absolutely.
it’s protected for me to stick my receving tackle right here
Sure.
There are potential privateness points in the event you solely use one receiving tackle. Anybody can see a listing of all of the transactions made involving that tackle. However it would not give anybody any approach to entry your cash.
It’s also possible to safely publish a transaction id and the identify & model variety of your pockets software program (e.g. bitcoin-core 0.18.0, electrum 3.3.4, …)
By no means give anybody your non-public key, your seed-phrase / recovery-phrase or the password to your pockets or on-line pockets or account. Altering a beforehand disclosed password doesn’t re-secure your pockets/account.
Additionally that is what I learn relating to created a brand new tackle can generally present balances once more: reddit.com/r/Iota/feedback/6sim7o/
That recommendation pertains to IOTA to not Bitcoin.
I am optimistic that I by no means used bitcoin this yr
Every part suggests your Bitcoin was stolen.
I would not use that pockets once more and I would not use that PC for any new pockets or any additional monetary exercise once more. Even after zeroing the disks and cleanly reinstalling the working system, I would fear about BIOS malware, contaminated USB gadgets, and so forth.