world history
Region: US
Saturday 17 October 2026 20:50:04 GMT
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Elias :
so the Chinese invented 2-factor authentication?
2026-10-22 23:57:46
3250
Mizzzeee :
Chinese people have been beyond years in smartness since wayyyyy back
2026-10-18 07:45:06
6296
The 21st Century Parent :
That’s great until you lose it 😅
2026-11-03 18:39:12
0
lumberrock943 :
That’s smart af
2026-10-18 02:11:28
3963
willijames :
Original 2FA
2026-10-18 11:20:39
533
Kdub ♡ :
ancient China is so cool
2026-10-18 15:19:09
91
Putting Down Roots :
I love how overdone it is. It’s like handwriting, then a tear, then some more writing across the non-torn sides, and this stamp, and that stamp, and another mid-handwriting stamp. It’s giving “your password must contain…”
2026-10-18 17:55:50
386
Shootingthebreeze 🇺🇸 :
They need to do this for Deeds to homes.
2026-10-18 16:45:36
202
Ent :
Ukrainians had this with wood pieces
2026-10-21 10:07:47
96
Bikkuri Party Prints :
They kind of still do this in Japan with official documents like rental contracts (stamping between papers not ripping)
2026-10-25 13:09:57
8
A :
Or they just forge the document using the same tearing technique?
2026-10-22 08:52:34
0
alex reisen :
so clever and arty as well 😎
2026-10-26 08:24:37
19
ownsbybobbob :
this method is still being used to seal important documents like exam papers. just the cop, no calligraphy
2026-10-20 14:29:22
31
shesnake :
this is still done with some university diplomas
2026-10-17 21:39:58
57
starfractal :
So did some establishment routinely keep the original half for people? So like if you wanted to prove your dad gave you the deed to the property and not your brother, you'd take your half to like a city courthouse or bank or notary and match up the halves? (I just made that example up.)
2026-10-18 20:26:55
10
alina :
в Україні за тією ж системою придумали "носи" це були дерев'яні плиточки з зарубами, які розламувались навпіл, і мали співпадати заруби та трішини)
2026-10-21 12:24:02
10
dondonkondoko :
private key public key (here two private keys)
2026-10-24 19:26:36
10
Galan :
Why not just email it?!
2026-10-21 23:22:37
1
Peach_esu | comms open :
In Ukraine was a simillar scheme, but since most people couldn't write nor read, they wrote their debt in a flat plank and split it in two and when time came to pay the debt, they put the two pieces together to see whether it was forged or no
2026-10-21 09:37:37
7
audhdbluecollarauthor :
This explains a lot of donghua plots.
2026-10-18 19:37:07
7
oxnyxws :
In British Common law the tare became known as denture or teeth of the document and was used commonly on "indentured" servants contracts and other agreements between two parties
2026-10-20 14:36:00
6
oleo :
cryptography still works like this!!
2026-10-21 03:20:53
10
Your Chinese Dad🇨🇳 :
骑缝章 现在还在用啊
2026-10-21 05:18:20
4
Aeolus :
I still don't understand like, if I'm gonna fake it and I do have the stamp, why can't I just cut a new paper?? what are they gonna compare it against? obviously they can't grantee it to have the same exact cut evey time
2026-10-20 17:20:02
1
sbsuudbabshdfn :
But that means either person could get out of the contract by damaging their document along the tear
2026-10-27 10:24:29
4
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