# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/pananpq
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60 張手繪高清大圖理清支付系統最核心的概念**
大家好，我是隱墨星辰，專注境內 / 跨境支付架構設計十餘年。支付系統因其專業性，術語或概念稍爲晦澀不好懂。而我向來喜歡 “一圖勝千言”，所以爲支付系統相關的概念畫了 300 多張手繪風格的圖，摘錄部分供各位參考。極致簡化，真實的實現會複雜非常多。1. 賬戶分類在賬務系統中，通常包含以下幾種賬戶類型：客戶賬戶：對客可見。包括：對私的個人客戶賬戶，對公的商戶賬戶。 內部賬戶：對客不可見。包括：頭 ⌘ Read more