Morning Overview on MSN

World’s tiniest QR code packs a record 2TB of data on a single page

Researchers at TU Wien in Vienna have created a QR code so small it can only be read with an electron microscope. The code measures roughly 1.98 square micrometers, with individual pixels about 49 ...

Snail mail letters target Trezor and Ledger users in crypto-theft attacks

Threat actors are sending physical letters pretending to be from Trezor and Ledger, makers of cryptocurrency hardware wallets ...