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Business Cases
Business models, competitive structures, and strategy cases across finance, payments, and technology.
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- AEON Financial Service case — retail distribution, banking, cards, and Asian consumer financeAEON Financial Service (AFS, TSE Prime 8570) combines banking…
- Brian Armstrong / Coinbase public-company operating caseThis page records a bounded public-company case: Coinbase Global…
- Reading cross-institution movement of key talent as an industry-forecast signal · JPM Onyx → ApolloThe mechanism for reading talent movement as a signal: early bui…
- Changpeng Zhao / Binance founder-handoff caseThis page records the public US enforcement and leadership-trans…
- Founder / executive transition evidence matrixThis matrix compares four public-record transition types:
- GMO Internet GroupGMO Internet Group is the parent-company context behind several…
- Regulatory-pivot key-person case · personal ideology + institutional authorization (Hester Peirce)The regulatory pivot is established by a 3-point simultaneous-tr…
- Jamie Dimon and JPMorgan's crypto-asset stance and business evolution · JPM Coin / Kinexys / JPMD on BaseDuring the BTC price surge of 2017 年…
- Japan listed corporate strategic restructuring matrix — five primary-source casesFive well-documented cases illustrate different restructuring ou…
- Japan Exchange Group (JPX 8697) — listed company operating regulated market infrastructureJapan Exchange Group (JPX…
- KDDI / au finance case — au Jibun Bank ownership, MUFG securities transfer, and au Financial Holdings listing preparationsKDDI coordinates its principal finance businesses through wholly…
- Independent-path case · Non-participation in an industry consortium + betting on cross-border compliance value (Yoshitaka Kitao / SBI)The logic of the independent-path judgment: discern what the mai…
- Large asset manager's crypto-asset compliance triangle template · ETF + RWA tokenisation + political influenceThe essence of the triangle is that "even if any one pillar take…
- Triple-role COI template · VC GP + large-customer Board + portfolio-company CEO triangular structureThe 3 roles are not an accumulation of conflicts of interest…
- Mizuho × Rakuten strategic stakes — Rakuten Securities, Rakuten Card, and the planned Rakuten Bank allianceMizuho entered three related but legally distinct arrangements w…
- NTT DOCOMO finance integration case — Monex, net banking, d Card / d Payment, and NTT DOCOMO Financial GroupThe former version of this page described a 2024 SMBC tie-up. NT…
- 40-person organization + short-term US Treasury carry business-model template · Tether / Paolo ArdoinoBusiness model = the stablecoin is the liability side…
- Rakuten ecosystem case — FinTech earnings, mobile improvement, and the planned bank-centered reorganizationRakuten combines internet services…
- National-consortium winner pattern · supplying anti-dollar DPI consortium and emerging-market linksThe "challenger" mechanism of the national consortium: 1) the re…
- Seven Bank case — ATM platform economics and the 2025 Seven & i deconsolidationSeven Bank is a licensed bank whose distinctive core is an ATM p…
- SoftBank / PayPay financial integration case — finance subsidiaries, Nasdaq listing, and LINE account linkagePayPay combined a high-frequency payment app with adjacent card…
- SoftBank / Arm 2023 IPO case — all-secondary sell-down with parent control retainedArm Holdings began trading on Nasdaq on 2023-09-14 at an IPO pri…
- Sony Financial Group partial spin-off case — completed listing, share distribution, and 16.40% retained stakeSony Financial Group (SFG…
- Toyota Financial Services captive-finance case — vehicle sales support with diversified market fundingToyota Financial Services Corporation (TFSC) is Toyota Motor Cor…