Fogo has halted its Layer 1 mainnet after an unauthorized actor received 400 million FOGO from the Fogo Foundation. The haul was worth roughly $3 million at current prices and equals about 4% of the token's 10 billion genesis supply.

The Foundation first disclosed the 400 million FOGO transfer late Friday, stating that the compromise affected the organization itself while the blockchain continued to run normally. Roughly 15 hours later, Fogo temporarily halted its mainnet to prevent any further movement of the affected assets. The delay between disclosure and the halt reflects a tradeoff common to such incidents: keeping a chain live preserves user transactions, but leaves the affected tokens free to move across wallets and services in the meantime.

Validators Prepare Upgrade to Restrict Linked Addresses

Validators are preparing a network upgrade designed to restrict addresses tied to the unauthorized activity before normal operations resume. After discovering the transfer, Fogo notified exchanges, law enforcement, and forensic specialists. Address-restricting upgrades of this kind require coordination among validators rather than a single party, which is why normal operations have not yet resumed while the upgrade is prepared.

The Foundation has not identified the attack vector and has not characterized the incident as a vulnerability in Fogo's underlying consensus or execution software. Because the affected assets came from Foundation-controlled holdings, the case is separate from the recent KiiChain network halt, where an EVM-module vulnerability allowed funds to leave the Layer 1 through Hyperlane. The two incidents nonetheless landed close together, contributing to a stretch in which multiple smaller Layer 1 networks have had to pause operations amid security events.

The stolen amount also accounts for a substantially larger share of immediately circulating tokens than of the total genesis supply. Fogo currently has roughly 3.88 billion FOGO in circulation, which places the 400 million tokens at more than 10% of circulating supply — a concentration that amplifies the potential market impact if the tokens were sold or moved through markets.

Bitget and KuCoin Suspend FOGO Transfers

Bitget suspended FOGO deposits and withdrawals on August 29, citing wallet maintenance, with the reopening time left pending. The suspension began roughly an hour before Fogo's initial public disclosure.

KuCoin subsequently halted FOGO deposits and withdrawals as well, also citing maintenance. Trading availability remains separate from the ability to move FOGO onto or off the exchanges while the network response continues. Such suspensions are a standard exchange safeguard during network halts, since deposits and withdrawals depend on the chain finalizing transfers; when the mainnet resumes and the address-restricting upgrade is in place, the exchanges' reopening timelines are likely to serve as one signal of how quickly normal token mobility returns.

FOGO entered major exchange markets earlier this year, following products such as OKX pre-market futures. Fogo's tokenomics allocate 21.76% of the genesis supply to the Foundation, with that allocation fully unlocked for grants, incentives, and ecosystem programs. That fully unlocked status means the 400 million tokens are not subject to vesting locks that might otherwise delay their usability.

FOGO Trades Near $0.0076 After Sharp Selloff

FOGO posted its largest immediate price move on August 28, dropping about 20% as the compromise became public. Trading volume jumped sharply from roughly $1 million in preceding sessions to several million dollars as the market reacted.

The token was trading near $0.00757 early Sunday, with a market capitalization around $29.4 million and approximately $7.3 million in 24-hour volume. FOGO remained about 20% lower over seven days, while the 400 million affected tokens were worth roughly $3.03 million at the latest price.