Bishowdeep Bhusal
Builder · Robotics · Software · Motion

लिमिटलेस

Kathmandu, Nepal
--:--:-- UTC+5:45

Limitless never dies.

16, Class 11 science. I build things people say shouldn't work. Like payments with zero bars of signalThen I make them work.

N 27.7172°E 85.3240°● building NexPay
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00 / about

I take things apart to find out why they work: a game engine, a payment system, my own attention span. Then I build the version I wish existed. GPA is nice. The why behind everything is the part I actually care about.

0+
hackathons, 1 win
0
public repos, all mine
0
SEE GPA, scholarship holder
Rs 0
course I could buy for Rs 0. I reported it.
Prime College Hackathon✦KMC Robotics Club✦Quick Enterprises, SWE intern✦Padhai Mantra, bug report✦github/limitlessneverdies✦

Builds

Four I'd defend in front of anyone. Most of them you can try right here. Every one started with a problem I or someone near me actually had.

01Android · v0.3

NexPay

Money that moves without internet.

Half of Nepal knows the feeling: you're at a tea shop in the hills, you want to pay, and there's no signal. NexPay signs one-time payment notes on your phone and passes them along by QR, Bluetooth, Wi-Fi Direct or NFC. The person you pay can even pass it on before going online. It settles once you're back on the network, and it can only be spent once.

Crypto
ECDSA P-256 signed notes
Transport
QR · BT · Wi-Fi Direct · NFC
Built
Protocol, app, ledger server, design
With
Jitesh Prakash Chaudhary
Get the app ↗
Eight NexPay screens: onboarding, PIN, wallet balance, nearby people radar, amount entry and hold-to-pay confirm
no signal · airplane mode

try it. there's no internet in this card.

02Hackathon build · Gemini

Rakshak रक्षक

Make the job prove itself.

Lakhs of Nepalis leave for the Gulf every year. A lot of them get promised one thing on a voice note, then handed a contract that says something else, in a language they can't read. Rakshak takes the voice notes, chats, ads, contracts, receipts and visas and checks what was promised against what's actually on paper. You get one answer, read out loud in Nepali: STOP, CHECK, or MATCH.

Reads
Voice · photo · PDF · video
Shield
15 Nepal-specific rules
Every claim
Linked to quote, page or timestamp
Speaks
Nepali + English
case #QA-14004 sources
voice note · 00:41"QAR 1,400, 8 hours, no fee"
contract · p.2QAR 900, 12 hours
receiptRs 1,70,000 fee paid
visaVisit visa, not labour
STOPरोक्नुहोस्

→ don't sign. call the helpline first.

03Reverse engineering · Rust

Alembic, opened up

I loved a chemistry game, so I took its engine apart.

Alembic is a falling-sand sandbox where you play with the periodic table. Learning chemistry in it is amazing, but there was no way to add anything new. So I went through the shipped Rust binary piece by piece: every element, every reaction, the save format, the shaders. Then I wrote a spec so the game can load mods. Once you can add stuff, there's no ceiling on what it can teach.

Binary
6.7 MB rustc / macroquad
Strings pulled
119,871
Decoded
92 elements · 62 sim systems
Mapped
v6 save format, byte by byte
Read the teardown ↗
Modded Alembic running at 60 fps: beakers of water and sand, molten metal in a crucible, a 141-substance palette and a chemistry log
04Windows · Electron → Rust + Tauri

Focus Lock

Willpower isn't a strategy. Friction is.

You know the loop. Open the laptop to work, "just check" one tab, and suddenly three hours of YouTube are gone. So you sign a commitment, pick your days and pick your blocklist. After that, Alt+F4 doesn't work, Task Manager is gone, restarting just reopens it, and deleting it doesn't remove it. You chose this. Now you're stuck with it. The rebuild, MONOLITH, runs as a SYSTEM service, and the only way out early is a 5-stage cognitive test.

Survives
Restart · shutdown · uninstall
Blocks
Hosts file + app killer, every 2s
Swallows
Alt+F4 · Alt+Tab · Win · Ctrl+Shift+Esc
Early exit
Dual N-back → real problem → verify

day 14 of 30 · signed by you

47:12

"You don't leave the session. The session leaves you."

Alt+F4Alt+Tab⊞ WinCtrl+Shift+Escyoutube.cominstagram.comx.com

05 / the lab

Built at home.
Most of it bit me first.

bring your cursor near the coil · click to surge

Homemade Tesla coil with copper winding, held in hand outdoors
Tesla coil · hand-wound secondary
Homemade electrostatic generator made from a soda can and plastic bottles
Van de Graaff · a soda can, bottles and patience

right now

Logic gates from scratch.

No ICs, just transistors on a breadboard, because "the computer just does it" was never a good enough answer for me. Flip the inputs:

OUT 0

Motion

What I do when I'm not writing code: video editing and motion design, mostly about science. Hover to preview, click to watch with sound.

Case file

The most fun I've had breaking something. I didn't publish the exploit.

PM-01 · responsible disclosurestatus: FIXED

target

Padhai Mantra, one of Nepal's biggest education platforms

bug

Payment logic. A Rs 9,000 course could be unlocked for Rs 0.

what I did

Found it, wrote it up, and reported it privately. Then I worked with their team until it was fixed.

what I didn't

Use it, share it, or post a "how to" video about it.

Journey

Robots, then circuits, then code. Mostly in that order.

  1. Class 6

    Hydraulic arm

    Syringes, tubes and cardboard. Totally dumb, and the start of everything.

  2. Class 9

    Walking, talking AI robot

    It walked, and it answered back. Sometimes in the right order.

  3. At home

    Tesla coil & Van de Graaff

    High voltage, low budget. Physics I could feel on my arm hair.

  4. SEE

    3.90 GPA, then a scholarship

    Built my own prep app on the way. Class topper, though I care more about the why.

  5. Internship

    Quick Enterprises

    Software engineering intern. First time my code ran for people who weren't me.

  6. Class 11

    KMC Robotics Club

    Science stream at KMC. Logic gates from transistors on the side.

  7. Hackathons

    5+ entered, 1 won

    Latest: Prime College Hackathon. Rakshak was built under hackathon pressure.

  8. Now

    NexPay

    Making money move without the internet. Co-building with Jitesh Prakash Chaudhary.

06 / contact

Got a problem that shouldn't be solvable?

open to: internships · hackathon teams · hardware problems nobody wants

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