HCB Mobile
Finance and crypto
nonprofit banking app
SHOW HN2025
How HN took it
4 positive, 6 neutral or asking, 0 mixed, 4 critical, out of 14 comments about the project. Thread score +0.03.
Execution: 1 for, 2 againstPrivacy: 0 for, 2 againstDesign: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Impressive work for a young builder
From 2 comments
True. But willing to cut anyone under 21 some slack.
jeswin on HNI really wish something like Hack Club existed while growing up, how empowering! great work.
riffic on HN
Helpful for the community
From 1 comment
This is very helpful to the community. Great work.
brahbrahbat on HN
Objections
Title implies the app itself processes $6M/month, but the platform does
From 3 comments
The OP title seems a bit misleading notwithstanding this caveat.
indigodaddy on HNNo offense to the OP (what you did is great - as someone who had to pick up expo/RN on the fly for my newest job, it can be a bit annoying, and that is before all of the…
VoidWhisperer on HNI think there's ambiguity. An app built for a platform that does xyz. Does the app do xyz, the platform, or both? If I build an app that takes you straight to idk a Treasury…
Neywiny on HN
Testing coverage appears thin for a financial app
From 1 comment
For something in the financial space, I don't see much (or really, any) tests in the code repository. CI also only has ESlint and prettier running. How are you ensuring the…
necovek on HN
Public transaction page exposes account details
From 2 comments
What is this page of transactions for? https://hcb.hackclub.com/hq/transactions I get that you want to be "open", but is everyone involved in these transactions ok with them…
cirrus3 on HNPlease look at this @mohamad08 The numbers and amounts used for account validations and adding it to be able to pull or push money . Should not be shown public..
galaxy_gas on HN
Requests
Explain testing strategy
From 1 comment
For something in the financial space, I don't see much (or really, any) tests in the code repository. CI also only has ESlint and prettier running. How are you ensuring the…
necovek on HN
Consider Hotwire Native instead
From 1 comment
HCB is an amazing Rails 8 app. It is the Rails app that is processing $6M/month. https://github.com/hackclub/hcb Excellent work on the mobile app though I would wonder, since HCB…
KenSF on HN
Questions
How is financial fraud and money laundering handled?
From 1 comment
That's awesome, and impressive you were able to build that. As an angel investor, my first question would be: how do you deal with financial fraud? Like users exploiting your app…
mrb on HN
Were backend APIs already built or created for this app?
From 1 comment
This is great! I'm curious whether you were able to build the app using backend APIs that were already built, or whether building this app created new requirements for those APIs?
rahimnathwani on HN
Alternatives named
Hotwire Native
From 2 comments
HCB is an amazing Rails 8 app. It is the Rails app that is processing $6M/month. https://github.com/hackclub/hcb Excellent work on the mobile app though I would wonder, since HCB…
KenSF on HNHotwire Native tbh wouldn't have been a bad choice at all to use tbh. Especially if you wanna maintain 1:1 parity with the website. It combines both being a "web app" and native…
mohamad08 on HN