Gray Glacier Upgrade Announcement

https://blog.ethereum.org/2022/06/16/gray-glacier-announcement

• Ethereum upgrades: The Merge, Bellatrix Beacon Chain, Paris upgrade, Shanghai upgrade, Ethereum Cancun-Deneb
• Ethereum 2.0, Beacon Chain, Ethereum Staking, validator, Consensus clients, Execution clients, Validation clients, Mainnet, testnets: Prater, Goerli ETH, Inclusion distance, Ethereum attestation, Attestation effectiveness, Attestation Reward Scale, slot, Ethereum upgrades: The Merge, Epoch, Slots, rETH, sETH, stETH, Lido Staked ETH, faucet, Ethereum ports, Subjectivity, Lido Staked ETH, ENR, Sharding, Ethers.js, Yellow paper, synchronization