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WIDER CHECK · NO SCORE · 9 OCT 2026

BigONE: what the sources say

No MiCA authorization found Limited search: no Rigor score

Key facts

Regulation, reserves, fees

MiCANot foundNone found in the ESMA interim register
Italian residentsNot verifiedRegistry check pending
Proof of reservesNot verifieddetails not verified
Spot fees (base tier)Not verifiedmaker / taker

Reserves note: No independent PoR audit described in sources; BigONE claims 100% reserves (unverified).

Track record

Incidents and regulator actions found

Security incidents

  • 2025-07-15 About USD 27 million drained from hot wallets across BTC, ETH, TRON, BSC and Solana (supply-chain style attack per Rekt). Outcome: BigONE stated the attack path was contained and part of assets frozen, and promised full compensation from internal reserves plus external borrowing; withdrawals reported suspended pending security reinforcement, deposits/trading restored within hours; completion of payouts not confirmed in sources. source

Regulator and court actions

  • No regulator or court action found in our limited search.
Limits

What we could not verify

Hack reported by Rekt and a Substack analysis; whether customer balances were affected and whether compensation was completed is not confirmed. No regulator action found in one legal search. Italy/OAM, PoR audit, fees, products not verified.

Facts are as of 9 Oct 2026. We ran a limited number of searches per exchange, so an empty list is not proof that nothing happened. We did not check the Italian OAM register. Items from press or third parties are reports, not findings by an authority. If something here is wrong or out of date, send a correction with a source: corrections policy. Education only, not investment advice.

Sources

  1. [1] BigONE homepage (shell only) accessed 2026-10-09
  2. [2] Rekt News: BigONE accessed 2026-10-09
  3. [3] Substack ashblog: BigONE under scrutiny accessed 2026-10-09
  4. [4] CoinGecko: BigONE exchange page (third-party) accessed 2026-10-09