This is a technical committee proposal whose proposer address (6PiPpbX5piQ6a2GJoDnJ4azD5P7ZN2JiwkoA2NQ7Am1xnpih) is shown in on-chain info below. Only this user can edit this description and the title. If you own this account, login and tell us more about your proposal.

PolkaWorld proposes a social contract with the Polkadot treasury for operations and maintenance from June to August 2023 with main goal to continue supporting the Chinese community's education on Polkadot. Activities include publishing articles, hosting meetups, conducting online broadcasts, producing educational videos, and interviewing ecosystem teams. PolkaWorld emphasizes its extensive collaboration since 2019 and highlights past contributions, such as article publications and event hosting. The proposal underscores a commitment to regular reporting and provision of review processes for accountability.

Reward 20 collators of the Polkadot System Parachains for 2 month operational expenses. The tip amount varies from 59-512 $DOT.

Permanently place a proposal into the blacklist. This prevents it from ever being
proposed again.

If called on a queued public or external proposal, then this will result in it being
removed. If the `ref_index` supplied is an active referendum with the proposal hash,
then it will be cancelled.

The dispatch origin of this call must be `BlacklistOrigin`.

- `proposal_hash`: The proposal hash to blacklist permanently.
- `ref_index`: An ongoing referendum whose hash is `proposal_hash`, which will be
cancelled.

Weight: `O(p)` (though as this is an high-privilege dispatch, we assume it has a
  reasonable value).

Set the collective's membership.

- `new_members`: The new member list. Be nice to the chain and provide it sorted.
- `prime`: The prime member whose vote sets the default.
- `old_count`: The upper bound for the previous number of members in storage. Used for
  weight estimation.

Requires root origin.

NOTE: Does not enforce the expected `MaxMembers` limit on the amount of members, but
      the weight estimations rely on it to estimate dispatchable weight.

# WARNING:

The `pallet-collective` can also be managed by logic outside of the pallet through the
implementation of the trait [`ChangeMembers`].
Any call to `set_members` must be careful that the member set doesn't get out of sync
with other logic managing the member set.

# <weight>
## Weight
- `O(MP + N)` where:
  - `M` old-members-count (code- and governance-bounded)
  - `N` new-members-count (code- and governance-bounded)
  - `P` proposals-count (code-bounded)
- DB:
  - 1 storage mutation (codec `O(M)` read, `O(N)` write) for reading and writing the
    members
  - 1 storage read (codec `O(P)`) for reading the proposals
  - `P` storage mutations (codec `O(M)`) for updating the votes for each proposal
  - 1 storage write (codec `O(1)`) for deleting the old `prime` and setting the new one
# </weight>

Technical Committee Proposal #4

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