I created a novel(?) append-only blob storage database that both supports memmap, and efficient binary search (for intrinsically ordered blobs).
My question: has this already been invented?
I want to know! If you can find prior art, $250 USD reward.

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This trader made a total of 48 predictions of market movements within 15 minutes, earning a net profit of $80,000 in one day.

Earning $80,000 a day, this top player treats Polymarket like an ATM.

The leading cryptocurrency, Bitcoin ($BTC), has fallen again after recovering to $70,000. Bitcoin is trading around $67,000, while Ethereum (ETH) is trading around $1,960, as US January inflation data...

BREAKING! US Inflation Data Released! Here’s Bitcoin’s (BTC) Initial Reaction!

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Daily market data review and trend analysis, produced by PANews.
1. Market Observation: The current macro market is experiencing a profound confidence crisis triggered by AI. The narrative has shifted from "AI frenzy" to "AI panic." Investors are no longer focused on who will benefit, but rather on which industries will be disrupted and replaced. On Thursday, financial markets experienced a broad sell-off, with US stocks losing $1 trillion in market capitalization. Cisco plunged 12% after issuing weak profit margin guidance. The Nasdaq fell more than 2%, the S&P 500 dropped 1.57%, breaking below its 50-day moving average, and the Dow Jones Industrial Average fell below the 50,000 mark...