Google 2FA sync feature - serious threat for your coins?

Google 2FA sync feature – serious threat for your coins?

The newest update for Google’s 2-Factor-Authentication app finally allows for cross-device synchronization. “Yayyy, more convenience!  \( ゚O゚)/” No more cumbersome manual entering of backup codes every time you change to a new device.  The cloud comes to the rescue!  But… is this really a good deal for you? Especially when you secure very valuable data […]

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Trust Wallet Browser extension proven unsecure - all funds at risk

Trust Wallet Browser extension proven unsecure – all funds at risk

It is the year 2023 – and for curious reasons some people are still storing more than pocket change in a Browser wallet(!). In the newest case demonstrating that this is an incredibly bad idea if you prefer to keep your money safe, the Trust Wallet browser extension was revealed to be provably unsecure since […]

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What is Duress PIN? And how does it help me to escape violent attacks?

What is Duress PIN? And how does it help me to escape violent attacks?

When developing personal op sec, it’s important to consider the various attack vectors we need to protect ourselves from.  And one of the most uncomfortable concerns is the very real threat of a wrench attack.  It’s hard to imagine what we would do if we were physically threatened for our bitcoin.  But in times like […]

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The “Bitcoin Ten Commandments” – now in Vietnamese

“His delight is in the law of the Lord, and on his law he meditates day and night. He is like a tree planted by streams of water that yields its fruit in its season, and its leaf does not wither. In all that he does, he prospers.” If you follow these ten instructions over […]

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Lost or damaged bitcoin cold wallet, how to get it back?

Did you accidentally drop your bitcoin cold wallet somewhere and you can’t find it even though you’ve searched everywhere? Did you accidentally leave your wallet damaged by impact, fire or rain water for a long time? In particular, you forgot your wallet login PIN and don’t know how to get back the “huge” amount of […]

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Is bitcoin wallet installed on the phone safe?

Installing a bitcoin wallet on your phone is easy to carry with you wherever you go, saves costs and has high security thanks to fingerprint and Face ID security features… have you heard a lot of “advertising” words which sound promising like that? But is it true that bitcoin wallets on phones are 100% safe? […]

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