Neo-CLI v3.6.0 Testnet and Mainnet Upgrade Notice

1 min readSep 6


Neo-CLI v3.6.0 was released on September 5th, 2023, and will be deployed to T5 TestNet on September 6th,2023, and to MainNet on September 20th, 2023. Below is a list of improvements and optimizations included in this release:

  • Neo-VM supports new OpCode: ABORTMSG and ASSERTMSG.
  • Support find contract by contract id.
  • Smart contract supports ZKP-Groth16.
  • New attribute type: conflict, is added into transaction Payloads. Unconfirmed transactions are able to be canceled.
  • New features on console log to make it more pretty.
  • New Plugin for neo-cli: StorageDumper. It allows exporting modified storage.
  • New API for RPC: FindStorage. It allows finding storage by storage key or prefix.
  • All projects are upgraded to .net 7.0.
  • Harkfork Basilisk for testnet is on Block 2680000.
  • Harkfork Basilisk for mainnet is on Block 4120000.

Please note: This upgrade involves changes to native contracts and the VM. When upgrading, it’s essential to resynchronize data. Do not use the old version of the configuration file, config.json.




An Open Network for the Smart Economy. Official Twitter Feed: @Neo_Blockchain