Finalized no. 30

the Ethereum consensus-layer - tl;dr Altair is fast approaching. Upgrade your nodes! Now! 🚨Upgrade to Altair before Oct 27🚨 As mentioned in the previous Finalized post, Altair is scheduled to go live at epoch 74240 – Oct 27, 2021, 10:56:23am UTC. See the Altair Mainnet Announcement for details on who, how, and why. Suffice......