https://sudonull.com/order-by-and-primary-key-in-clickhouse-index-selection
How to correctly choose ORDER BY in ClickHouse: sparse index, column cardinality, equality vs range, verification via EXPLAIN. Rules and examples for gambling.
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https://sudonull.com/dictionaries-in-clickhouse-fast-lookup-without-join
How to use ClickHouse dictionaries to replace JOIN with microsecond in-memory lookup. Types: flat/hashed/range, data sources, dictGet, and examples for gambling.
https://sudonull.com/loot-boxes-for-children-restrictions-in-russia
Deputy Milonov proposed restricting loot boxes for minors. We analyze the essence of the initiative, international experience, and possible consequences for the gaming industry.
From other projects
https://lrivo.com/premier-league-gambling-ban-causes-80m-sponsorship-void
Premier League clubs face an estimated £80M loss as a gambling ad ban forces them to seek new shirt sponsors. Understand the financial impact and market shift.
https://ymaho.com/revocation-of-cosmolot-license-in-ukraine-reasons-and-consequences
Ukrainian regulator revoked Cosmolot license for p2p payments. Fines and tightening of gambling control. Find out how this affects the market.
https://ymaho.com/kalshi-wins-federal-court-ruling-on-prediction-markets
A federal appeals court ruled Kalshi's prediction markets are federally regulated—not gambling. Learn what this means for users nationwide.
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