这些是模型假设，而非共识规则。种子确保随机抽取可重现；144 约等于一天的区块数。
阈值接近 2,016 区块的难度调整周期时，恒定难度假设会变得不太准确。
数据缩减临时软分叉（Reduced Data Temporary Softfork）是一项共识变更提案，旨在激活后约一年内（52,416 个区块）临时限制若干数据承载构造。
简而言之，规则：限制或使特定的 scriptPubKey、OP_RETURN、PUSHDATA 或见证数据项、未定义的见证/Tapleaf 版本、annex、control-block、OP_SUCCESS 以及 OP_IF/OP_NOTIF 构造无效。
规范中的分叉点：强制信号起始于 961,632；数据缩减规则在锁定后一个难度周期激活，不晚于 965,664。
来源：BIP110 规范、BIP9、BIP8 及 Bitcoin Core chain.h。最后对照 BIP110 规范审查日期：2026-07-26。
版本位信号通过 mempool.space 从当前周期的区块中扫描，并由本地服务器缓存。当前观测值预设将当前的聚合 bit-4 信号率映射为演示算力百分比；这并不代表这些矿工之后会执行 BIP110。
最后对照 BIP110 规范审查日期：2026-07-26。
本模拟器的分叉可视化基于 0xB10C 的 fork-observer 构建，并改编了其部分代码。fork-observer 采用 MIT 许可协议发布；其版权和许可声明照录如下。
MIT License Copyright (c) 2021 0xB10C Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.