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Greg Fitzgerald 2018-12-05 15:17:37 -07:00 committed by Grimes
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@ -6,13 +6,15 @@ company headquartered in San Francisco that maintains the open source project.
# About this Book # About this Book
This book defines the architecture of Solana, a blockchain built from the This book describes the Solana open source project, a blockchain built from the
ground up for scale. The goal of the architecture is to demonstrate there ground up for scale. The book covers why to use it, how to use it, how it
exists a set of software algorithms that in combination, removes software as a works, and why it will continue to work long after the company Solana closes
performance bottleneck, allowing transaction throughput to scale proportionally its doors. The goal of the Solana architecture is to demonstrate there exists a
with network bandwidth. The architecture goes on to satisfy all three desirable set of software algorithms that when used in combination to implement a
properties of a proper blockchain: that it not only be scalable, but that it is blockchain, removes software as a performance bottleneck, allowing transaction
also secure and decentralized. throughput to scale proportionally with network bandwidth. The architecture
goes on to satisfy all three desirable properties of a proper blockchain: that
it not only be scalable, but that it is also secure and decentralized.
The architecture describes a theoretical upper bound of 710 thousand The architecture describes a theoretical upper bound of 710 thousand
transactions per second (tps) on a standard gigabit network and 28.4 million transactions per second (tps) on a standard gigabit network and 28.4 million
@ -83,9 +85,9 @@ consistently supporting bursts of 250,000 transactions per second. In the most
recent release, v0.10 Pillbox, the team published a permissioned testnet recent release, v0.10 Pillbox, the team published a permissioned testnet
running 150 nodes on a gigabit network and demonstrated soak tests processing running 150 nodes on a gigabit network and demonstrated soak tests processing
an *average* of 200 thousand transactions per second with bursts over 500 an *average* of 200 thousand transactions per second with bursts over 500
thousand. The project was also extended to support on-chain programs written thousand. The project was also extended to support on-chain programs written in
in the C programming language and run concurrently in a safe execution the C programming language and run concurrently in a safe execution environment
environment called BPF. Next step: going permissionless. called BPF. Next step: going permissionless.
# What is a Solana Cluster? # What is a Solana Cluster?
@ -106,10 +108,10 @@ organization that launched it.
# What are Sols? # What are Sols?
A sol is the name of Solana's native token, which can be passed to nodes in a A sol is the name of Solana's native token, which can be passed to nodes in a
solana cluster in exchange for running an on-chain program or validating its Solana cluster in exchange for running an on-chain program or validating its
output. The Solana protocol defines that only 1 billion sols will ever exist, output. The Solana protocol defines that only 1 billion sols will ever exist,
but that the system may perform micropayments of fractional sols and that a sol but that the system may perform micropayments of fractional sols and that a sol
may be split as many as 34 times. The fractional sol is called a lamport in may be split as many as 34 times. The fractional sol is called a *lamport*. It
honor of Solana's biggest technical influence, [Leslie is named in honor of Solana's biggest technical influence, [Leslie
Lamport](https://en.wikipedia.org/wiki/Leslie_Lamport). A lamport has a value Lamport](https://en.wikipedia.org/wiki/Leslie_Lamport). A lamport has a value
of approximately 0.0000000000582 sol (2^-34). of approximately 0.0000000000582 sol (2^-34).