https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Mon, 25 May 2026 00:00:00 GMT https://www.youngju.dev/blog/culture/2026-05-25-core-banking-temenos-mambu-thought-machine-fis-ncr-finacle-bancs-2026-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-25-core-banking-temenos-mambu-thought-machine-fis-ncr-finacle-bancs-2026-deep-dive.en Core banking is the heart of a bank. COBOL ledgers running on 1970s IBM mainframes are being reborn as cloud-native microservices in 2026. Temenos T24/Transact, Mambu, Thought Machine Vault, FIS Modern Banking Platform, NCR Voyix, Finastra Fusion, Infosys Finacle, TCS BaNCS, Avaloq, SAP for Banking, Oracle Banking — eleven global core banking vendors, plus Korean KB ACE-Bank, Shinhan SOL, Samsung SDS Nexledger, and Woori, and Japanese NTT Data Zengin system, NEC OperaMaster, NTT BeSTA. The path from mainframe to cloud, event sourcing and CQRS, Thought Machine smart contracts, the neobank choices, and how the 60-year-old Japanese Zengin system still processes 13 million transactions a day. Mon, 25 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) core-bankingtemenos-t24mambuthought-machine-vaultfis-modern-bankingncr-voyixfinastra-fusioninfosys-finacletcs-bancsavaloqsap-bankingoracle-bankingkb-ace-bankshinhan-solzengin-systemrtgs https://www.youngju.dev/blog/culture/2026-05-25-core-banking-temenos-mambu-thought-machine-fis-ncr-finacle-bancs-2026-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-25-core-banking-temenos-mambu-thought-machine-fis-ncr-finacle-bancs-2026-deep-dive.ja コアバンキングは銀行の心臓だ。1970年代のIBMメインフレームで動いていたCOBOL台帳が、2026年にはクラウドネイティブのマイクロサービスに生まれ変わりつつある。Temenos T24/Transact、Mambu、Thought Machine Vault、FIS Modern Banking Platform、NCR Voyix、Finastra Fusion、Infosys Finacle、TCS BaNCS、Avaloq、SAP for Banking、Oracle Banking — グローバル11社のコアバンキングベンダーと、韓国のKB ACE-Bank・新韓SOL・サムスンSDS Nexledger・ウリィ銀行、日本のNTTデータ全銀システム・NEC OperaMaster・NTT BeSTAまで。メインフレームからクラウドへの道、イベントソーシングとCQRS、Thought Machineのスマートコントラクト、ネオバンクの選択、そして60年続く日本の全銀システムがいまだに1日1,300万件を処理している仕組み。 Mon, 25 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) core-bankingtemenos-t24mambuthought-machine-vaultfis-modern-bankingncr-voyixfinastra-fusioninfosys-finacletcs-bancsavaloqsap-bankingoracle-bankingkb-ace-bankshinhan-solzengin-systemrtgs https://www.youngju.dev/blog/culture/2026-05-25-core-banking-temenos-mambu-thought-machine-fis-ncr-finacle-bancs-2026-deep-dive https://www.youngju.dev/blog/culture/2026-05-25-core-banking-temenos-mambu-thought-machine-fis-ncr-finacle-bancs-2026-deep-dive 코어뱅킹은 은행의 심장이다. 1970년대 IBM 메인프레임에서 돌던 COBOL 원장 시스템이 2026년에는 클라우드 네이티브 마이크로서비스로 재탄생하는 중이다. Temenos T24/Transact, Mambu, Thought Machine Vault, FIS Modern Banking Platform, NCR Voyix, Finastra Fusion, Infosys Finacle, TCS BaNCS, Avaloq, SAP for Banking, Oracle Banking — 글로벌 11개 코어뱅킹 벤더와 한국 KB ACE-Bank·신한 SOL·삼성SDS Nexledger·우리은행, 일본 NTT Data 全銀시스템·NEC OperaMaster·NTT BeSTA까지. 메인프레임에서 클라우드로 가는 길, 이벤트 소싱과 CQRS, Thought Machine 스마트 컨트랙트, 네오뱅크의 선택, 그리고 60년 된 일본 全銀시스템이 어떻게 아직도 하루 1,300만 건을 처리하는지. Mon, 25 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) core-bankingtemenos-t24mambuthought-machine-vaultfis-modern-bankingncr-voyixfinastra-fusioninfosys-finacletcs-bancsavaloqsap-bankingoracle-bankingkb-ace-bankshinhan-solzengin-systemrtgs