ROBO airdrop under scrutiny as $8M linked to suspected sybil wallets

Fabric Protocol’s ROBO token is facing scrutiny after on-chain data suggested that a single entity may have captured a significant portion of its airdrop through coordinated wallet activity.

According to blockchain analytics platform Bubblemaps, more than 7,000 wallets displaying similar transaction patterns collectively claimed around 199 million ROBO tokens, representing 40% of the total airdrop.

At launch, this allocation was valued at approximately $8m.

The ROBO token launched on 27 February as part of Fabric Protocol’s broader push to build a robotics-focused network layer powered by Openmind.

7,000 wallets, one pattern

Bubblemaps’ analysis identified a consistent funding and transaction structure across thousands of wallets.

Roughly two months before the token launch, around 7,500 newly created wallets were funded with amounts of ETH similar to those. These wallets then routed funds through multiple intermediary addresses before ultimately claiming the ROBO airdrop.

The activity followed a repeatable pattern:

• Fresh wallets funded with near-identical ETH amounts
• Funds routed through three layers of intermediary wallets
• Final wallets used to claim airdropped ROBO tokens

In total, these wallets accounted for a large share of the distribution, raising concerns about a coordinated sybil attack. In this attack, a single entity uses multiple addresses to game allocation systems.

Exchange funding points to coordinated effort

The report further noted that at least seven exchanges were used to fund the wallets involved.

According to Bubblemaps, similarities in timing, funding sources, and transaction flows suggest the wallets were controlled by a single entity rather than independent users.

Such behavior is commonly associated with attempts to exploit airdrop mechanics, allowing one participant to capture a disproportionate share of tokens intended for broader distribution.

No evidence of team involvement

Bubblemaps clarified that it found no evidence linking the activity to Fabric Protocol or Openmind’s core teams.

The analytics firm said it shared its findings with Fabric Protocol before publication, describing the team as “open and cooperative” during the process.

Market reaction remains mixed

Despite the findings, ROBO’s price has shown resilience in the short term.

At press time, the token was trading around $0.025. Since its launch, it has gained roughly 14%, according to CoinMarketCap data. However, the broader chart shows a volatile trajectory since launch, with prices trending lower from early March highs.

The concentration of tokens among a small group of wallets could introduce future sell pressure, particularly if those holdings are gradually distributed into the market.

Airdrop design under pressure

The incident highlights ongoing challenges with token distribution models, particularly for projects that rely on airdrops to bootstrap community participation.

Sybil attacks remain one of the most persistent issues, as sophisticated actors use automated wallet creation and funding strategies to bypass eligibility filters.

While no wrongdoing has been attributed to the project team, the scale of the activity may renew calls for stronger anti-sybil mechanisms across the industry.

Final Summary

• Bubblemaps data suggests a single entity may have captured 40% of the ROBO airdrop through coordinated wallet activity.
• The case underscores persistent vulnerabilities in airdrop design, even as projects attempt broader token distribution.