Wiki / Forks / Bitcoin Clashic

Bitcoin ClashicBCL

From the Bitcoin Takeover Wiki · ✓ 3 sources · 1 podcast anchors · built 2026-11-13

A minority chain that kept Bitcoin Cash's original rules when BCH changed its difficulty algorithm in November 2017.

◆ Takeover vieweditorial · opinion, labelled

The wiki's angle: Clashic matters less as a coin than as a pattern. Every contentious upgrade can leave a no-upgrade chain behind, and Bitcoin Cash produced its first one within four months.[1][2]

Origin

On 13 November 2017 Bitcoin Cash replaced its emergency difficulty adjustment (EDA) with a new difficulty adjustment algorithm using a rolling 144-block window[1]. Asked about Clashic on S17 E19, Amaury Séchet said some people did not want that hard fork changing the DAA and created an alternative chain, which he called “more or less of a troll fork” that “never really had any kind of real support”[2].

Listing

The February 2019 Bitcointalk review list names it “Bitcoin Clashic (BCL)”, gives its fork as block 478,558, Bitcoin Cash's own split from Bitcoin, and quotes its site saying the mainnet “launched on August 1st, 2017 and is still alive”[3].

What is not known

No source here gives the height at which Clashic and Bitcoin Cash diverged in November 2017, so it is unknown in this wiki and tracked as pending in the scope list[2][1].

References

  1. btkBitcoin Cash: The Big Block Breakaway (BTCTKVR: Forks!) [archived]
  2. episodeS17 E19: Amaury Séchet — Bitcoin Clashic as “more or less of a troll fork”▶ listen at 1:47:45timestamp transcript-derived, pending a listen [archived]
  3. secondary“My list of 43(+3) reviewed Bitcoin forks”, Bitcointalk topic 2777849 (last update 26 Feb 2019) [archived]

Related

Categories: Forks · Fork lineage
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