ADI Predictstreet under scrutiny over $108m in trading linked to wallets
Blockchain study ties $108m to connected wallets; analysis stops short of proving manipulation
Key Takeaways
- Blockchain analysis linked about $108 million of ADI Predictstreet’s $167 million in trading through to the end of September to connected wallets.
- A network of 795 wallets represented almost 100% of the trading volume recorded on the platform as of 31 August 2022.
- A single crypto address funded those wallets and received some transaction fees.
- During the World Cup, two wallets traded more than $80 million across hundreds of markets before activity tapered off.
- FIFA named ADI Predictstreet official prediction market partner for the 2026 World Cup and the platform paid over $150 million for advertising rights.
ADI Predictstreet is under scrutiny after a blockchain analysis linked approximately $108 million of its $167 million in trading through to the end of September to connected wallets. The study was carried out by three Harvard University students and its findings were confirmed by blockchain analytics firms; the authors do not claim the analysis proves manipulation.
What the analysis showed
The analysis identified a network of 795 wallets that accounted for almost 100% of the platform’s recorded trading volume as of 31 August 2022. According to the report, a single crypto address funded those wallets and also received a small amount in transaction fees. The wallets interacted with one another and, during the World Cup, two wallets traded more than $80 million across hundreds of markets before activity began to taper off.
Relation to FIFA and advertising rights
FIFA named ADI Predictstreet its official prediction market partner for the 2026 World Cup. The platform paid more than $150 million for exclusive advertising rights tied to the tournament.
Limits of the finding
The analysis raises questions about how much trading reflected independent consumer activity and about the effectiveness of the platform’s controls, but it does not assign liability or conclusively demonstrate manipulation. The data come from blockchain analysis and external signature verification, according to the Harvard University students’ report.
Renata Quiroga, Betting markets correspondent.
Frequently Asked Questions
How much of ADI Predictstreet’s trading is linked to connected wallets?
Approximately $108 million of the $167 million in trading through to the end of September is linked to connected wallets, according to a blockchain analysis by three Harvard University students and confirmed by blockchain analytics firms.
How many wallets made up the detected network and what share of volume did they represent?
The detected network comprised 795 wallets and accounted for almost 100% of the total trading volume recorded on the platform as of 31 August 2022, according to the report.
Does the analysis prove manipulation on ADI Predictstreet?
No. The analysis does not demonstrate manipulation or assign liability; the authors say the blockchain evidence links movements but cannot prove illicit conduct.
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About the author
Renata Quiroga
Betting Markets Correspondent
Renata Quiroga covers sports betting and prediction markets — sportsbook launches, odds technology, event contracts, and the regulatory calls that decide what can be bet on and where. The reports open with the product or the ruling, name operators and platforms precisely, and explain the mechanics without needless jargon. When a book enters a Latin American market or a prediction exchange lists a contested contract, Renata Quiroga reports what changes for the bettor.
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