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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
The safest and cost free way is to generate a "paper wallet" and store it in a safe place! You can make several copies and have them in several safe places in case of fire and such. Just encrypt with a passphrase that you can remember! https://kimbatt.github.io/btc-address-generator/
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Okay, BitBox02 is super safe open-source wallet, how can I be sure the firmware I'm installing is the one being reviewed in GitHub? Should I compile the GitHub code by myself?
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Why is sparrow so good?