# 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/jg6boqq
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一文搞懂支付安全體系建設**
對於支付安全我自認比絕大部分支付行業的同行都專業，當年爲了做統一密鑰管理和加解密加驗籤平臺，啃了好幾本密碼學和信息安全的大部頭書。但我今天以產品經理都能看懂的白話講清楚支付安全體系，不涉及複雜的數學知識。前言在電子支付的萬億級市場中，安全無疑是核心中的核心。大部分人都知道支付安全很重要，但支付安全具體包括哪些方面，面臨的問題，以及有哪些具體技術或方案來應對，包括在支付行業從業多年的老支付人，卻未必 ⌘ Read more