DOT vs ATOM— Side by Side
| Feature | DOT | ATOM |
|---|---|---|
| Category | Interoperability | Interoperability |
| Consensus | Nominated Proof of Stake | Proof of Stake |
| Launched | 2020 | 2019 |
| Founder | Gavin Wood | Jae Kwon |
When to Use Each
DOT
- +Shared security model — parachains inherit Relay Chain validator security at launch
- +Cross-chain message passing (XCMP) enables trustless inter-parachain communication
- +On-chain governance — DOT holders vote on all protocol upgrades, eliminating contentious hard forks
ATOM
- +IBC (Inter-Blockchain Communication) enables trustless cross-chain transfers across 100+ zones
- +Cosmos SDK allows launching a sovereign blockchain in weeks with customizable parameters
- +Tendermint BFT provides instant finality — no waiting for confirmations like PoW chains