Table 1 Comparison of leading blockchain systems.
From: A scalable blockchain based framework for efficient IoT data management using lightweight consensus
Features | Bitcoin | Ethereum 2.0 | Hyperledger-fabric | IoTA | EOSIO |
|---|---|---|---|---|---|
Consensus | POW | POS | PBFT | Tangle | DPOS |
Consensus finality |  ×  |  ×  | ✓ |  ×  | ✓ |
Run smart contract |  ×  | ✓ | ✓ |  ×  | ✓ |
Interchain |  ×  |  ×  |  ×  |  ×  | ✓ |
Feeless |  ×  |  ×  | ✓ | ✓ | ✓ |
Scalable |  ×  | ✓ |  ×  | ✓ | ✓ |
Energy efficient |  ×  |  ×  |  ×  | ✓ | ✓ |
TX throughput (TPS) | 7 | 100 +  | 1,000 | 7–12 | 4000 +  |
