Porto Alegre, 26 de outubro de 2026 – O preço médio do etanol hidratado ficou estável na última semana, enquanto a gasolina caiu. Mesmo assim, o etanol esteve mais competitivo que a gasolina em onze estados e ainda no Distrito Federal.   O preço médio do…

How COLDCARD Mk5 and Q combine local authenticity checks, dual secure elements, verified firmware, user entropy, and offline signing.

I’ve been wondering how a mining pool might pay out miners to different addresses directly in the coinbase (and generally about “fun” things to do with a coinbase tx). Ocean pool currently pays miners in the coinbase[1] but only to a static address set as…

No soft forks. No operators. No bridges. A plain-language companion to our paper “Shielded Bitcoin: Private Transfers on the Bitcoin L1” (Clara Shikhelman, Mikhail Komarov, Aleksei Moskvin). Bitcoin provides strong ownership guarantees without trusted intermediaries…

Tesla Europe says FSD is approved in Latvia with a rollout coming soon, making it the 10th EU country and 18th market worldwide to approve it.