Shivam Gupta

Shivam Gupta's avatar
Shivam Gupta
npub1ddek...xqhd
Bitcoin Mining Firmware & Protocol Dev | Nostr/Lightning Educator | Business Development | Bitcoin Maxi | Helping grow the decentralized future πŸ™Œ
🚨 UK Wants Your ID to Use VPNs! Lords' amendment forces age verification on ALL UK VPN users, ID scans to block kids. Add 24/7 phone spying & "hostile" encryption labels. #Privacy crushed! #UKVPNBan #PrivacyAlert #BigBrother #DigitalRights #StopTheBill #VPN
πŸ“ Your Phone # Leaks Your Location on WhatsApp/Signal Sending messages? Delivery times expose your exact spotβ€”80%+ accuracy even within the same city. Combine with "Careless Whisper" (❀️ reactions track screen/activity) = complete location + behavior map. The Attack: Attacker sends messages β†’ measures response delays RTT (round-trip timing) fingerprints your network location Works on Signal, Threema, WhatsAppβ€”all have E2EE but metadata leaks The Fix: Providers: Add random delays (seconds). Users: Disable read receipts, use burner numbers, switch to usernames when possible. Research: NDSS 2023 paper on delivery timing attacks πŸ“„.pdf #privacy #security #bitcoin #surveillance #whatsapp #signal #cryptography #nostr #freedom #decentralization #anonymity #infosec #cybersecurity #privacymatters #foss #censorship #zeroknowledge