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Nominating and validator selection are crucial parts of user interaction with Polkadot. This post presents background information on nominating and things to consider when selecting validators.

With the increase in the number of accounts nominating on Polkadot and Kusama, we have seen some limitations of the current staking parameters. In order to prevent issues from occurring when these limits are reached, some restrictions are being added to the staking system on both networks.

Several articles have recently been added to the Web3 Foundation research portal covering individual subprotocols of the Polkadot decentralized blockchain platform: nominated proof of stake (NPoS), time consensus and GRANDPA (the finality gadget implemented for the relay chain).

The new paper Overview of Polkadot and its Design Considerations expands on the white paper, presenting a comprehensive and updated description of Polkadot’s design components and subprotocols. Some of these are outlined here.