November 3, 2026

3D rendering of Vitalik Buterin's stylized Ethereum logo alongside a digital hazmat warning shield, glowing encrypted data streams, and privacy lock icons

Treat data as ‘toxic waste’ Vitalik Buterin tells developers

Ethereum co-founder Vitalik Buterin has urged developers to treat personal data as a liability rather than an asset to collect, warning that excessive data collection creates unnecessary privacy and security...
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3D rendering of the Mercado Bitcoin logo with a glowing red security barrier, paused transaction streams, and warning alert icons over a digital blockchain interface

Mercado Bitcoin halts transfers after suspected $40M hack

Brazil’s largest cryptocurrency exchange, Mercado Bitcoin, has suspended deposits and withdrawals after a security incident triggered more than $40 million in suspicious crypto transfers, according to blockchain security researchers. The...
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