DERP Containment

Please read the rules (below) before posting.

https://en.m.wiktionary.org/wiki/derp

In this context, a DERP Group is a collection of accounts on the Steem blockchain that operates in an anomalous fashion.

All anomalous groups requiring special containment procedures are assigned a Group Class. A Group Class is a part of the standard DERP template and serves as a rough indicator for how difficult a group is to contain. Group Classes are for the purposes of identifying containment needs, research priority, budgeting, and other considerations. A DERP's Group Class is determined by a number of factors, but the most important factors are the difficulty and the purpose of its containment.

Group Classes:

Safe - groups that are easily and safely contained
Euclid - groups that require more resources to contain completely or where containment isn't always reliable
Keter - groups that are exceedingly difficult to contain consistently or reliably, with containment procedures often being extensive and complex
Thaumiel - groups used to contain other groups
Neutralized - groups that are no longer anomalous, either through having been intentionally or accidentally destroyed, disabled, or disbanded

Group Series:

A group series roughly corresponds to bull market formations where general interest in the platform peaks (also known as The Woodwork).

001-999: Series I forming from March, 2016 to April, 2017
1000-1999: Series II forming from May, 2017 to January, 2019
2000-2999: Series III forming from February, 2019 to present

Typical format for DERP-nnnn reports are as follows:

group: DERP-nnnn
class: Safe Euclid Keter Thaumiel Neutralized
derp_score:
special_containment_procedures:
description:
associated_accounts:
  - 
related_links:
  -

With ...

... group: DERP-nnnn being in the correct series.
... class: selection being one of the specified Group Class types.
... derp_score: being the Daily Estimated Reward Pool impact
... special_containment_procedures: being the current opposition or compensating controls required to contain the group, if any
... description: exploring "who" and "what" this group is
... associated_accounts: key accounts related to the group
... related_links: (optional) specific URLs to justify the DERP

Recommended format: YAML
Recommended maximum columns: 60 characters

Rules

These are the rules on the community main page, but with more detail.

This is a place to collect facts. Sometimes bits of information is all over the blockchain. Bring it all together into one report.
This is not a place to originate doxing. There's no need to start doxing someone in a report, especially if it's not on-chain yet.
Do not repeat dox material found on-chain (leave it there for Level-03 and up to find). Allude to it if needed, but don't repeat it. This makes for a more mysterious report anyway.
This is a place to re-contextualize what is on-chain. Sometimes people only have half the narrative in their heads. A complete report that starts from the beginning and reaches a conclusion can fill in the gaps.