Why Did Cardano Halt?361

Cardano, the proof-of-stake blockchain platform, experienced a temporary halt in its operations on September 12, 2022. The network was paused at block 8403388 as part of a scheduled hard fork to implement the Vasil upgrade. The upgrade was intended to bring significant improvements to the network's scalability, performance, and security.

The Vasil upgrade had been in development for over a year and was the result of extensive collaboration between the Cardano Foundation, Input Output Global (IOG), and the community. The upgrade introduced several key changes to the Cardano blockchain, including:
Increased block size: The block size was increased from 8 KB to 16 KB, allowing for more transactions to be processed per block.
Improved Plutus script performance: The Plutus smart contract language was optimized to improve execution speed and reduce transaction costs.
Extended UTXO model: The unspent transaction output (UTXO) model was extended to support reference scripts, allowing for more complex smart contract interactions.
CIP-33 implementation: The CIP-33 proposal was implemented, which introduces a new reference input type that can be used to reduce the size and cost of certain types of transactions.

The hard fork was scheduled to take effect at block 8403388, which was estimated to occur on September 12, 2022, at approximately 21:45 UTC. However, a technical issue caused the hard fork to be delayed by approximately 4 hours. The network was successfully upgraded at block 8403388 on September 13, 2022, at approximately 02:00 UTC.

The Vasil upgrade was a major milestone for the Cardano blockchain. It brought significant improvements to the network's scalability, performance, and security, and laid the foundation for future development. The upgrade was also a testament to the Cardano community's commitment to collaboration and innovation.

Conclusion

The Cardano network was temporarily halted on September 12, 2022, as part of a scheduled hard fork to implement the Vasil upgrade. The upgrade was successfully deployed on September 13, 2022, and brought significant improvements to the network's scalability, performance, and security. The Vasil upgrade was a major milestone for the Cardano blockchain and laid the foundation for future development.

2025-02-04

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