Cryptocurrency investors discuss Rollblock presale, while Cardano faces criticism and Solana aims to improve its performance with Firedancer upgrade.

- Cardano is down 12.9% in a week, price around $0.34. Max Keiser predicts a 90% drop compared to Bitcoin.

- Solana is down 9% despite the launch of Firedancer client, which should speed up the network.

- Rollblock is gaining attention due to transparency and fairness in web3 casinos. 🚀

#cryptocurrency#Cardano#Solana#Rollblock