Solana is a blockchain designed to support scalable decentralized applications (gapps). One of the key distinguishing features of Solana is its Proof of Stake (PoS) consensus system, which is backed by Tower Consensus. This is a variant of the system known as Practical Byzantine Fault Tolerance (PBFT), it allows distributed networks to reach consensus despite attacks from malicious nodes.

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It's been a busy 72 hours for us.

This is the Operational Command Center in Lisbon, where the Mayor, City Councilor and Civil Protection Director monitor the flood situation in the city using http://greenmetrics.ai's Early Flood Detection platform on the right side screen.

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This is unbelievably cool. Giving authorities the ability to monitor an entire city in a disaster situation. Only possible with the kind of redundant coverage available through the @helium IOT network. 

Utility that could save your life. Only possible on Helium. OPOS.