A major Japanese Bitcoin mining pool just pulled the plug on its Bitcoin service just as 3 mega-miners claimed 60% of the network

What happened

A major Japanese Bitcoin mining pool stopped its Bitcoin mining operations, removing its hash rate from the network just as three large mining groups together now control roughly 60% of Bitcoin's total computing power.

Confirmed

Global impact / market context

The shutdown reduces overall network hash rate, potentially lowering mining difficulty and affecting miners' revenue, while the concentration of power among three miners raises concerns about network decentralisation and security.

Analyst inference

Bitcoin’s price often reacts to changes in mining dynamics; a sudden drop in hash rate can signal lower network security, while higher miner concentration may influence investor confidence and future regulatory scrutiny.

Analyst inference

What to watch

1. Whether the lost hash rate from the Japanese pool re‑appears elsewhere, which would affect overall network security and mining difficulty. Analyst inference
2. How the three dominant miners allocate their increased share, including any changes to block rewards or transaction fee strategies. Analyst inference
3. Regulatory responses in Japan or other jurisdictions to the pool’s shutdown, which could impact future mining operations and investor sentiment. Analyst inference

Affected assets

• BTC — Bitcoin

Evidence

• cryptoslate.com