What is Stratum?
Stratum is the protocol mining machines use to talk to a pool: the pool sends work, the machine sends back shares.
How it works
The original Stratum sends plain text and leaves the pool to decide which transactions go in each block. Stratum V2 encrypts the connection, uses less data and lets a miner build its own block templates.
Why it matters
Every machine on a pool speaks it. Stratum V2 matters to operators who want to stop hashrate theft on the wire and keep a say over block contents.
Related terms
All terms: the Bitcoin mining glossary.
Mining Disrupt 2027 tickets and passesMining Disrupt 2027 agendaMining Disrupt 2027 FAQ
Three days. One floor. The whole industry.
March 22–24, 2027 · Irving Convention Center · Dallas
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