A couple of k=33 plots with a majority of k=32 plots can reduce the amount of leftover unused space on a drive. There is only one reason why you might want to plot larger than k=32: to maximize the total utilization of a given drive or space. There is small natural variation in temp space needed and the final file size of each plot. Current working space needed for the default plotting options of a k=32 is 239 GiB and the final file is approximately 101.4 GiB. You can see some example plot sizes, times to plot, and working space needed based on various k's in these k size tables. You can examine the Space Required section of the Chia Proof of Space Construction document for the calculation of how much space is required for a given k. In practice this means that final size is roughly ((2 * k) + 1) * (2 ** (k - 1)) * 0.762 though that constant is estimated. It is an integer for the following equation: plot_size_bytes = C1 * 2^k(k + C2) where C1 is constant 1 and C2 is constant 2. "k" is the space parameter that controls the size of plots. chia - lowercase chia refers to the Chia token, XCH.
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Chia - depending on context, this can refer to Chia Network the company, the Chia software (Chia client), or the Chia blockchain.The smallest unit of chia, a trillionth of a chia, is called a mojo, as a tribute to Mojo Nation, a decentralized file storage platform created in the early 2000s by Zooko Wilcox, Bram Cohen, and others. Chias and testnet chias can be divided up to 12 decimal places (trillionths). TXCH has no value and is only used for testing purposes. TXCH is the currency symbol currently being used for testnet chias. Timelords usually run three VDFs at a time for the three internal blockchains of the Chia blockchain. You can learn about them in our class group document. This must be done in a group, for which Chia uses ideal class groups.
What is a VDF/proof of time?Ī VDF, also known as a proof of time, is a sequential operation that takes a prescribed amount of time to compute (and which cannot be accelerated by parallelism) and which produces an accompanying proof whose result may be quickly verified.
A farmer can then control multiple harvesters across many machines to manage the whole "farm."įarming uses substantially less electricity than Proof of Work for the same unit of security.
A harvester can harvest multiple plots on the same machine. A plot is a large set of proofs of space. The Chia Proof of Space Construction document goes deeply into the math and implementation considerations to mitigate Hellman's Time - Memory tradeoff problem. What is a proof of space?Ī proof of space is a proof that a farmer has allocated a portion of their storage in a way that is very difficult to create in real-time but efficient to pre-compute and store on a hard drive. You can also check out our Timelord documentation. The consensus document is the most current documentation, however. You can read about each of them and the architecture in the network architecture document.
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Vocabulary What are harvesters, farmers, full nodes, and timelords? Offers - Decentralized peer-to-peer trading of assets
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