Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
Show HN: Use blockchain technology to secure site from web spam
(
hashcash.io
)
4 points
by
hippich
on Aug 28, 2015
|
hide
|
past
|
favorite
|
1 comment
benwerd
on Aug 28, 2015
[–]
This is cute. I'm going to write a Known plugin and test it out on withknown.com.
Consider applying for YC's Winter 2026 batch! Applications are open till Nov 10
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
