Vasiliy Shapovalov
CTO

Cosmos' Game of Zones Phase 3: Double Spend via a Double Sign
We'll show how malicious validators can double-spend via IBC transfers using vanilla Tendermint, cosmos-sdk and relayer software.

Cosmos' Game of Zones Phase 3: a Deceptive Rootchain that will trap your tokens
For Phase 3 we prepared a specific deceptive zone whose purpose is to trap your transfers and let the zone ‘root’ users to claim them on the counterparty chains.