Replying to Avatar TFTC

We just launched Opportunity Cost!

It's a browser extension that converts prices into $BTC as you browse, while protecting your privacy.

No more fiat illusions. Think in #Bitcoin.

🧵Here's how it works.

https://www.opportunitycost.app/

What it does: Opportunity Cost automatically detects fiat prices on any website and converts them into BTC in real-time.

From Amazon to Airbnb, you’ll instantly see the true cost of your purchases.

Why we built it: We live in a fiat world, but the future is Bitcoin.

This tool helps you build "Bitcoin intuition" by training your mind to measure value in sound money, not debased currency.

Key Features:

1. Real-time fiat-to-BTC/sats conversion

2. Dynamic display: BTC for big numbers, sats for small

3. Works across all websites

4. Customizable display preferences

5. Lightweight & fast

6. Totally private

Opportunity Cost is 100% local processing. It doesn’t track you. It doesn’t send data. It’s fully open-source.

Supported currencies: USD, EUR, GBP, JPY, CNY, INR, CAD, AUD, CHF, SGD.

More coming soon.

Start thinking in #Bitcoin. The sooner you do, the sooner you escape the fiat illusion.

Install the extension. See the signal. Ditch the noise.

https://www.opportunitycost.app/

I'm very excited to finally launch Opportunity Cost today!

You can now price the internet in bitcoin!

It's extremely rewarding to take something from a nagging idea in your mind to a working product.

Here's how we did it:

As someone who has been focused on educating people about bitcoin for 8 years, I'm always thinking about the "top of funnel" and how we can bring more people into bitcoin.

As a bitcoiner, I'm always looking for tools to make my life easier.

Opportunity Cost tries to solve for both.

For people to understand why they need bitcoin they need a way to recognize it's value prop quickly. By enabling them to download a simple extension that allows them to track the price of things in bitcoin over time we hope that people begin to recognize the power of hard money.

Those who already live on a bitcoin standard need a simple tool that can easily help them understand how much bitcoin they're spending on a day-to-day basis. Opportunity Cost solves for that.

I've often had ideas for informational bitcoin products/tools that never made it to launch because I never felt comfortable taking the risk to pay a developer to build it from scratch.

AI completely changes the game. In a span of three hours one Saturday afternoon I was able to build a working prototype via a combination of ChatGPT and Replit.

After playing with the prototype in my browsers I was successfully able to convince myself that this product was something worth pursuing. I then found nostr:nprofile1qyx8wumn8ghj7cnjvghxjmcpz4mhxue69uhk2er9dchxummnw3ezumrpdejqqgq4mqax94enxcx4ez5h2sjt4hthkqj3y5vnccj3yv0nn5w03tp5usehgwej here on Nostr, reached out to him, showed him the app and asked if he thought he could turn it into a fully functioning product.

He liked the idea, understood how I wanted it to work because of the prototype I built, and took the reins from there.

Within two weeks of Moses using his spare time to work on the app, we had a fully functioning and stable product.

The longest part of this process has been getting the app approved by the app stores. Google approved this morning and Firefox is still pending.

We're entering a brave new world in which "idea guys" who have been scoffed at historically have agency to bring their ideas to life in the form of a prototype and then hand it off to a dev who can do the rest.

Huge shout out to nostr:nprofile1qyx8wumn8ghj7cnjvghxjmcpz4mhxue69uhk2er9dchxummnw3ezumrpdejqqgq4mqax94enxcx4ez5h2sjt4hthkqj3y5vnccj3yv0nn5w03tp5usehgwej and Ed, Head of Ops at TFTC, for their work on this. Also, nostr:nprofile1qyx8wumn8ghj7cnjvghxjmcpz4mhxue69uhk2er9dchxummnw3ezumrpdejqqgq3hx5fgpxm7vp5ulscs6afm3xx6dm0ywdprqn3h5hv2eag3xzsecaq8aww and Anthony Ronning for their advice along the way.

Go download the extension and let us know what you think! The extension is only the first iteration of Opportunity Cost.

http://opportunitycost.app

nostr:nevent1qvzqqqqqqypzppdakkr4uyfaejv5nz68gcmyfxyzac26r3up2j4s0sr9k3enn4njqy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7qghwaehxw309aex2mrp0yh8qunfd4skctnwv46z7qgnwaehxw309ac82unsd3jhqct89ejhxtcqyr00xjj5ycyag934tgs4r3swx7kdzrmj488p6w853d7f0zrl7dj5xrkym55

Reply to this note

Please Login to reply.

Discussion

When for Android?

It's on Google Chrome. I used it on Chromium. When the Firefox extension is complete, you should be able to use it on the firefox browser on Android.

Just desktop. Not phone.

Very cool.

👀

LFG!

this is a cool idea and looks well executed, great job!

this is awesome Marty

Well done brother

congrats, idea guy

💯 on reducing the mental cost of btc <> fiat conversions

Very nice, Very nice. Installed!

Huge

wow amazing work marty and team! i love it!

Installed the extension last night, looking forward to trying it out today.

What I like about deploying AI for creative work is that it helps level the playing field a bit and becomes a catalyst to get ideas off the ground. Nice work!

nostr:nprofile1qqsywt6ypu57lxtwj2scdwxnyrl3sry9typcstje65x7rw9a2e5nq8sprpmhxue69uhhyetvv9ujuumwdae8gtnnda3kjctvqydhwumn8ghj7un9d3shjtnzd96xxmmfdecxzunt9e3k7mgpp4mhxue69uhkummn9ekx7mq9hxafw was shopping on BtcPins.com and thought "Damn, I wished EVERY site did this!".

nostr:nevent1qqswq0ddxl88aes05e6qpq3fglenycjknehz89mqe8h5xwr2wjjwspgpzamhxue69uhky6t5vdhkjmn9wgh8xmmrd9skctczyprj73q098hejm5j5xrt35eqluvqep2eqwyzukw4phsm302kdycpuqcyqqqqqqg2ddhqu

Awesome! 🙌

Congrats! Can’t wait to give it a try

Great idea. Will try this out! COngrats on the launch.

Lol well this thing works. dollars can't hide, they'll get converted even within an LLM response 😅