1️⃣👉  Ripple

2️⃣👉Seoul

3️⃣👉Sumo

4️⃣👉Ethereum

5️⃣👉Saint Petersburg

6️⃣👉  Sombrero

7️⃣👉   Katana

8️⃣👉 Egypt

9️⃣👉 Nominated Proof of Stake

1️⃣0️⃣👉Memphis