热门且备受期待 比特币 scaling network went live this week, although its code is almost indistinguishable from 比特币’s own layer-1 blockchain. What gives?
On Sunday, Fractal 比特币 announced the mainnet launch of its 比特币 sidechain network. As a tribute, Fractal included in its genesis block the same message embedded in 比特币’s first block concerning bank bailouts—attributed to pseudonymous creator 中本聪 .
尽管a 崎岖的起点 concerning some of its block mining behavior, the blockchain has now safely taken off on its mission to “scale 比特币 natively.”
“Fractal 比特币 is the only 比特币 scaling solution that uses the 比特币 Core code itself to recursively scale unlimited layers on top of the world’s most secure and most-held blockchain,” reads Fractal’s website.
Unlike other scalers, Fractal says it maintains “self-replicating consistency” with 比特币’s consensus. That means all Fractal transactions and hashes can be traced back to their source on 比特币’s main blockchain.
更重要的是，保持其代码与第一层链高度一致，可以实现大部分基础设施（包括钱包、代币标准和 条例 ) to be easily compatible with Fractal as well. One of the project’s core contributors is UniSat, a 比特币 inscription service and marketplace whose team already provides Fractal with infrastructure support.
There are a few key differences between 比特币 and Fractal, however: The latter uses 30-second block times, meaning transactions settle about 20 times faster. Also, an unlimited number of Fractal layers can be built on top of other fractals, with transaction capacity rising 20X with each layer.
该网站表示：“链上交互可以随着需求的变化而上下扩展——它充当一个动态的‘区块空间负载均衡器’，减少任何特定层的拥塞。”。
It also has a unique consensus mechanism known as “cadence mining.” Two out of three blocks are natively mined on Fractal for its gas currency, FB. Half of the FB tokens were pre-mined in advance and distributed to early ecosystem participants, which caused concern among some members of the 比特币 community.
Every third Fractal block is merged with 比特币 L1, tapping into 比特币’s unrivaled proof-of-work security.
最后，Fractal附带 OP_CAT activated, an old 比特币 opcode that many devs are campaigning to get instituted back into 比特币 L1. This will enable various applications on Fractal, including easily constructible ZK rollups, hailed by the crypto space as a premier solution for scaling blockchains and adding new programmability to 比特币.
比特币 Virtual Machine—a so-called 比特币 “rollups-as-a-service” provider—plans to deploy its infrastructure on Fractal this month.
“我们将把EVM引入Fractal”，BVM 写信给推特 上周。“这意味着开发人员可以毫不费力地将他们的Solidity dapp从以太坊迁移到Fractal。只需更改端点即可。”
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