Here we go, another proof that Tangem wallet is
NOT SAFE to use, and it is vulnerable to brute force attacks.
Donjon team tested this and they provided plenty of information in their latest blog articles.
Weak 4 digit PIN is very easy to crack, so donjon team is recommending switching to stronger 8 digit PIN with 1 digit, 1 letter and 1 symbol.
For more information read the full article:
https://www.ledger.com/blog-brute-force-attack-tangemPS
I would also remind everyone that Tangem is closed source, so they should switch to opensource alternatives like Satochip.
Satochip in combination with Seedsigner is 100 times better option for hardware wallet, and encrypted seed backup.
Someone pointed to this channel, so I am sharing here a video that narrates the situation about the "tearing attack" discovered by Donjon:
Again, my suggestion is the same as dkbit98 and Cryptodad: harden your access code with longer words, numbers, and symbols.
Mandatory meme when discussing those issues:
