BitTube Cash 4.0 announcement
Hard fork to new Cuckoo Cycle on July 29

- https://medium.com/@Bit.Tube/bittube-cash-4-0-announcement-42313fc242ac
- https://www.reddit.com/r/BitTube/comments/hkgrsu/bittube_cash_40_announcement_hard_fork_to_new/

tl;dr

- Max supply reduction
- Emission reduction
- Faster block times
- Faster daemon sync
- Faster wallet scanning
- Mining: favors GPUs (unchanged), 6 to 8 GB memory recommended
- Conversion on exchanges and extension wallets is automatic
- GUI wallet users need to convert their Tube3 to Tube4 manually after July 29
- Conversion service will be maintained for 1 year (until 2021/7/29), after that your Tube3 will be lost

Tube4 coin metrics

- GitHub: https://github.com/BitTubeCash/bittubecash
- Algorithm: Cuckaroo29b
- Max supply: 600 million (from 1 billion)
- Initial Circulating Supply: 272 million
- Block time: 15 seconds (from 120 seconds)
- Initial Block reward: 19 TUBEs
- Miner reward: 50% of block reward
- AirTime reward: 50% of block reward
- AirTime reward is distributed every 240 blocks (60 minutes)