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Miners are the Executive Power of Bitcoin. And Executive Hashpower is what happens when miners decide to act, ignoring markets temporarily. Not following short-term benefit, because of thinking in a imaginary future profit (monetary or reputational), in a infrequent but decisive act of business creativity.
Of course, users -through markets- have absolute power in long-term. But not in short-term, because markets cannot act. Markets judge time later very well. But markets can not make efficient decisions about complex software engineering. Because innovation is never born in markets, humans must act first.
In contradiction with the official narrative about what is and how Bitcoin works, few know the decisive significance of these acts.
Fortunately, when miners act, the truth is written in stone, on-chain, for ever.
August 2010, in height 74637, an accidental split occurred, caused by a bug in version 0.3.10. Miners accepted the loss of 51 blocks, fixing the problem by reorg with a hotfix, in 6 hours and 51 minutes.
The Bitcoin project was not damaged, it was like if nothing had happened. Except that this is my first clear evidence of executive hashpower, in action, to save Bitcoin.
March 2013, executive hashpower saved the Bitcoin project again, with a reorg of 24 blocks to executing a downgrade, in height 225430, because a bug in 0.8.0, fixed in 1 hour and 25 minutes. With the first reported double-spend, as collateral damage.
It was coordinated in an informal chat room: [Better in the BMP?]
When Pieter said "please" to BTC Guild pool operator, it wasn't just a courtesy.
It's that only miners can do it, losing their money, in short-term, to save Bitcoin.
1MB block limit dispute resulted in the split in which Bitcoin Cash was born.
Not the moment to evaluate this act. Just to mention that the first BCH block, height 478559, with difficulty algorithm modified, required a mining effort during 4 hours and 56 minutes. Was an act ignoring markets, which open days later.
November 2018, the BCH-BSV split event occurred, in BCH height 556767.
It was also the first Bitcoin Hashwar. Declared by a belligerent mining force that only two days before split controlled the majority of BCH hashpower.
In this scenario, checkpoints or deep reorg "protection" cannot protect the Bitcoin blockchain. Actually these pieces of code never acted. Because in Bitcoin, code obeys hashpower.
The existential threat was constituted. In response, some Bitcoin miners displaced a significant amount of BTC hashpower, during 9 days, to protect BCH from the takeover attempt of what we now know as BSV. This prevented the existence of BAB, which was the target of the minority force. By executive hashpower act, to protect Bitcoin Cash.
I created this graph with information from the blockchain and the market price history [thanks to Blockchair as data provider]. It is a visual evidence of executive hashpower.
The planned upgrade was successful, despite a poisoned TX attack. Then, unknown miner made a second attack, creating a block -first seen and totally valid- stealing the Segwit funds send by mistake to the BCH blockchain.
A new kind of event happened in BCH height 582698.
BTC.TOP pool -which already had a large amount of hashpower in BCH because of prudence- did this skillfully and audaciously executive action: