Alternatives
Products that do what LuxeLetterX does
Send the world's most expensive digital postcard via BTC.
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A friend(@wolever) and I spent the weekend hacking up a small web app which makes it easy for you to sell digital goods for Bitcoins. Once a customer has clicked the “buy” button, we take care of giving them a unique address, monitoring that address for transactions, then securely notifying your website once a minimum number of confirmations have been received. Oh, ya, and then we send you the Bitcoins :) The website is here: BitWillet: http://www.bitwillet.com and there is a demo on the front page. (full disclosure: BitWillet uses the Willet, http://dev.getwillet.com, platform, of which I…
2011
- 10AF
2021 · bitcointemp.com
- 11AI
2019 · getportal.co
- 12BA
2013 · amazonbitcoins.com
- 13LB
I built this over the weekend. Any feedback is appreciated. Please note you will need a WebGL enabled browser. Thank you for checking it out. --UPDATE-- HN Traffic is strangling earthbit. There is sporadic downtime due to the web services I am using, if no transactions appear after a few seconds, then please try again in an hour.
2013 · earthbit.net
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We've set up DeekSeek R1 with a system prompt that attempts to censor the word PRIVATEKEY from its response. If you can get DeepSeek R1 to output that string (not in the reasoning, but in the final response), the system will reveal a private key which contains $1000 USDC. You will have a 50 token limit in the input. We will have a series of contests, sponsored by AI researchers, in order to learn more about prompt engineering and how LLMs interact with real money. Good luck! Edit: The money was claimed! Thanks for playing all. You can still play for fun. Stay tuned for the next one! Stats:…
2025 · deepbounty.ai
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2019 · cardxcoin.com
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I founded the first blockchain certificate of deposit. I'm surprised that it became so popular so fast, I hope it doesn't cryptokitties the network. The marketing looks like a scam. Code (audited 2x): https://etherscan.io/address/0x2b591e99afe9f32eaa6214f7b7629768c40eeb39#code Ethereum top list: https://etherscan.io/topstat#Transaction I'm always available at http://t.me/RichardHeart
2019
- 17LE
Hi guys, I've written the first proof-of-mistake crypto token on top of Ethereum. You can see it at http://www.lostethereum.com/ It's basically a proof-of-burn substitute for users who mistakenly sent to the wrong address. It requires a web3 enabled browser, i.e chome with MetaMask, Parity, Mist, etc. This let's the web interface seamlessly interact with the Ethereum network. Let me know what you guys think.
2017
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We've applied to this intake of YC. We're a streamlined product which allows people to connect a coinbase account (or another payment method) and visit all their favourite online stores and checkout with one click and pay by bitcoins. Regardless of whether or not the merchant accepts bitcoins. Works on Amazon/Best Buy/Anything... Would appreciate the feedback! www.joinsnapcard.com
2013
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Hi HN, blockchain3d.info (http://blockchain3d.info) is a free 3D and VR Bitcoin Blockchain browser available for Windows, Android (with Google Cardboard for Virtual Reality), Linux and MacOS. The tool lets you enter a starting address or transaction, then navigate the Bitcoin network as far as you like (or as your hardware will allow, performance wise) to see inflows and outflows, all in 3D (or VR with Cardboard). Would love to hear feedback from HN folks!
2017
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2018 · litepaper.com
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Two years ago, I started this side project https://bitcoinvsalts.com as an open forward testing platform for crypto. Today this platform tracks more than 1400 crypto trading strategies. As a result, we rank their performance in real time and now we start selling monthly subscriptions to automatically trade some of those algorithms. Please let me know what do you think of this project and contact me at [email protected] if you think you could help me in creating a business for it.
2021
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Show HN: I crafted the simplest way to Gift Bitcoin this Christmas The link is: www.spreadthecoin.com For the past two weeks, I have been building a Bitcoin Christmas(/Happy Holidays) Card company --> and it has just launched (today) at www.spreadthecoin.com . The "Certificate" makes it easy for Bitcoiners to give their friends and family their first Bitcoin (with suggestions on how to spend/use it)! It is meant to play-well with home-printers and can suffice as a last-minute gift idea. I think that Christmas morning/Hanukkah is an excellent opportunity to gift coins to…
2013
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Hey guys, I built this platform out to allow users to passively earn crypto for non-intrusive highly targetted ads. One of the things that's awesome is that there's an option to receive payouts in Anthropic's pre-IPO stock (via PreStocks on Solana). So you can use Claude Code and receive Anthropic stock . Let me know what you guys think. Feedback is welcome and please give it a try to install.
9d ago · prmpt.cash
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