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使用 pi 网络 PiNetwork 构建可持续的区块链
如何在没有“加密挖掘”中通常已知的能源消耗的情况下在手机上挖掘 Pi？
Pi 通过在其区块链中使用不同类型的共识算法而不是广为人知且耗能的工作量证明 (PoW) 来实现这一点。
Pi 的共识算法基于 Stellar Consensus Protocol (SCP) 和一种称为 Federated Byzantine Agreement (FBA) 的算法，所有这些算法都不需要消耗大量的能量来达成共识以确保分类账的安全。这些类型的共识算法要求节点形成仲裁并基于由各个仲裁切片组成的信任图相互交换消息，以便就下一个区块应该是什么达成“共识”。
挖矿是为区块链的共识算法做出贡献以保护其分类账以换取奖励的过程。
PoW 挖矿需要节点消耗大量能量来“工作”以解决数学难题以帮助算法达成共识，而 Pi 挖矿则需要分布式信任图。每个单独的移动矿工的安全圈将聚合成一个全局信任图，该图将提供 Pi 区块链的共识算法。
因此，每个移动矿工都通过为 Pi 区块链共识算法的交叉性、安全性和可行性做出贡献来挖掘 Pi，以保护 Pi 分类账。 PoW 矿工对这些区块链的贡献是能源，而 Pi 移动矿工对 Pi Blockchain 的贡献是他们的信任关系和对这种关系的积极确认。基于这个从移动矿工聚合的信任图运行共识算法的繁重工作仍然由计算机节点完成。
事实上，Pi 测试网已经拥有超过 10,000 个这样的计算机节点，这使 Pi 走上了创建一个非常分散的主网的良好道路。
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building a sustainable blockchain with pi network
How can Pi be mined on mobile phones without the energy consumption typically known in “crypto mining”?
Pi achieves this by using a different type of consensus algorithm in its blockchain rather than the widely-known and energy exhaustive Proof of Work (PoW) . Pi’s consensus algorithm is based on the Stellar Consensus Protocol (SCP) and an algorithm called Federated Byzantine Agreement (FBA), all of which do not require exhaustive energy consumption to reach consensus in order to secure a ledger. These types of consensus algorithms require the nodes to form quorums and exchange messages with each other based on a trust graph composed of individual quorum slices in order to come to “consensus” on what the next block should be.Mining is the process of contributing to the consensus algorithm of a blockchain to secure its ledger in exchange for rewards. While PoW mining requires a lot of energy consumption for nodes to “work” to solve mathematical puzzles to help the algorithm reach consensus, Pi mining requires a distributed trust graph. The security circles of each individual mobile miner will aggregate into a global trust graph that will feed the consensus algorithm of the Pi blockchain. Therefore, each mobile miner mines Pi by contributing to the intersectionality, security and feasibility of the Pi Blockchain’s consensus algorithm in order to secure the Pi ledger. While PoW miners’ contribution to those blockchains is energy, Pi mobile miners’ contribution to Pi Blockchain is their trust relationships and active confirmation of such relationships. The heavy lifting of running the consensus algorithm based on this trust graph aggregated from mobile miners is still done by computer nodes. In fact, the Pi Testnet already has more than 10,000 such computer nodes, placing Pi onto a good path towards creating a very decentralized Mainnet.
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