Momentum Over Merit: The ‘GreenBean’ Token Pump
A real-world example of Bandwagon effect in action
Context
A small development team launched an environmentally themed cryptocurrency token called GreenBean on a permissive decentralized exchange. The token had minimal utility and low on-chain liquidity at launch, but it was inexpensive enough for retail investors to buy in small amounts.
Situation
Within days, a handful of popular crypto influencers and several Telegram groups began sharing screenshots of early gains and ‘join now’ posts. Social feeds filled with screenshots of small wallets turning into big gains, and a viral hashtag pushed the token into trending lists on market-aggregation sites despite no independent audits or clear road map.
The bias in action
Many retail investors interpreted the rapid increase in volume and the growing number of wallets holding GreenBean as validation that the project was credible and profitable. Rather than investigating the token’s code, liquidity depth, or team credentials, people equated popularity with quality and rushed to buy before prices rose further. As more people posted profits, others followed, creating a self-reinforcing loop where the signal ‘lots of people are buying’ displaced the signal ‘does this asset have lasting value?’
Outcome
GreenBean’s market cap spiked from $0.5M to $520M in ten days, largely driven by coordinated social amplification and thin liquidity. When a few large holders sold into the frenzy and influencers moved on to the next token, price collapsed by 92% over three days and many late buyers realized losses.



