MANTRA blockchain halts after exploit, token drops 18% to record low

MANTRA blockchain stops after security breach

The MANTRA blockchain, which puts traditional financial assets like bonds on a digital ledger, suddenly stopped producing new blocks late Thursday. The halt came after an attacker exploited a weakness in software used by the network. MANTRA’s own token fell 18% to its lowest price ever before partially recovering.

The network froze all transactions, deposits, and withdrawals while developers investigate. MANTRA said it took these steps as a precaution to prevent further damage.

Key details of the incident

• MANTRA token price dropped 18.5% to $0.004126, an all-time low, before recovering slightly to $0.0044.
• Trading volume jumped nearly 600% to $24 million as traders reacted to the news.
• The last block was produced at about 11:13 p.m. UTC on August 20, 2026.
• MANTRA said the attacker exploited a vulnerability in an “upstream dependency,” meaning software developed outside the MANTRA network but used by it.
• Developers are preparing a software patch to fix the issue but have not yet confirmed if any assets were stolen.

What MANTRA said about the exploit

MANTRA announced the halt in a post on X (formerly Twitter) about 30 minutes after the last block was produced. The team said it froze all network endpoints and transactions while investigating the incident.

In a later update, MANTRA confirmed that an attacker had exploited a vulnerability in third-party software used by the blockchain. The team said it identified the issue and is working on a fix. Validators, who verify transactions on the network, remain offline while the patch is prepared and tested.

MANTRA also said it is tracing fund movements and working with exchanges. However, it has not disclosed which software was exploited, how the attack worked, or whether any assets were lost. The team stated, “Our assessment of the full impact is ongoing and we are not yet in a position to confirm the complete scope.”

What is confirmed so far

• The MANTRA blockchain halted block production after a software exploit.
• The MANTRA token price fell 18% to a record low before partially recovering.
• All transactions, deposits, and withdrawals on the network are frozen.
• An attacker exploited a vulnerability in third-party software used by MANTRA.
• Developers are preparing a software patch to fix the issue.
• Validators are offline while the fix is tested.

What remains unclear

• Whether the price drop was directly caused by the exploit or by traders reacting to the news.
• Which specific software was exploited and how the attack was carried out.
• Whether any assets were stolen or lost during the incident.
• The full scope of the damage caused by the exploit.
• When the network will be restarted and normal operations will resume.

Why this matters for MANTRA users

The halt affects all users of the MANTRA blockchain. Public endpoints, which allow people to interact with the network, are frozen. The bridge, which lets users move assets between MANTRA and other blockchains, is also not working. MANTRA-managed links to other networks are down as well.

Deposits and withdrawals on exchanges that support MANTRA are paused. Users cannot send or receive MANTRA tokens until the network is restarted.

What happens next

MANTRA developers are preparing a software patch to fix the vulnerability. Once the patch is ready, validators will need to coordinate to restart the network. The team is also tracing fund movements and working with exchanges to assess the damage.

MANTRA has not announced a timeline for when the network will resume normal operations.

Sources

• CoinDesk