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SPoRAs are the next generation of Arweave's mining algorithm, focused on ensuring that miners keep a copy of the Arweave dataset physically near to their compute resources. This update represents a quantum leap in storage replication and decentralisation in the network.
We are happy to report that the security audit by NCC Group of the new algorithm found no significant problems or actionable findings. Subsequently, we are now confident about moving forward with the full deployment early next year -- likely in January.
Version 2.3 -- going live today -- is the first step in this deployment.
In order to be ready for the SPoRAs upgrade, miners should ensure that they have a copy of the Arweave dataset stored locally. We expect that data stored on SSDs will have a competitive advantage over traditional HDD devices.
Miners should also prepare for much larger volumes of data. This time last year, the weave was ~1/30th of its present size. The weave is now 2,924x its size two years ago. We expect that this growth will continue, if not rapidly increase, throughout 2021.pic.twitter.com/8gTkmWbWLn
Early in 2021, for example, we intend to store an 80 TB snapshot of the entire web circa 2011 to the Arweave network, or similar data sets.
We expect this to be just one of many high volume data uses of the network in 2021 -- from ArDrive user growth, to integration as storage for highly scalable blockchains like Solana and SKALE, and many more.
Let’s get ready to scale! 
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