Year: 2021

Block Time Probability Table

The below table shows the probability of at least N new Bitcoin blocks in the next T minutes. The red cell is just an example. It tells there’s an 18.5% chance of getting 5 or more new blocks within the next 30 minutes. “< 1/k” means less than a one in thousand chance of occurring. “< 1/M” means less than one in a million. “< 1/G” means less than one […]

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Donation Dispensers for My XCP Projects

Over the coming months I plan to contribute these open source solutions to Counterparty (and perhaps also Dogeparty). Token History Search [COMPLETE]View live versions for Counterparty and Dogeparty. Source code on Github. Passphrase Tool [COMPLETE]View live version. Source code on Github. Useful for exporting addresses (legacy and segwit), e.g. for import to Electrum.For seed recovery, you can try CounterTools. Opreturn Builder [PENDING – WILL BUILD ONCE 0.4 BTC RECEIVED]This tool […]

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JPJA Extraordinary Dividend

Holders of JPJA just received 2 JPGOLD 0.01 JPBULL 0.01 JPBEAR 0.5 CPNEWS per share of JPJA. Background JPJA is the most prominent of my 2014 experiments. However, I also did a few more. In my previous blog post I made a comprehensive list of my early tokens and also notarized a zip file with relevant sources. In short, these tokens represent all my experimentation with peer-to-peer finance in 2014. […]

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List of JP Janssen’s Historic NFTs

In 2014 I did several experiments in line with Counterparty’s vision of ‘pioneering peer-to-peer finance‘. Also, the first true NFT was minted by me that year. In 2015 I let creativity loose and made a few trading cards. The following two years I only tokenized one asset, a Pepe which got rejected. Date Token Supply Price Description 2014-06-11 JPGOLD 1000 ** My first token. First 1/N 2014-06-12 OLGA 1 ∞ […]

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XCP CARDS – My 2015 ‘NFT’ Project

From 2015 to 2017 I worked on a side-project, XCP CARDS, which aimed to be a crypto trading card platform. Although the website never grew beyond beta, it did leave some permanent records on the Bitcoin blockchain. November 2015 Card Notarizations The address 1CRDzy.. made 37 on-chain broadcasts with sha256 hashes of card images. From these, 26 were Spells of Genesis cards. For each card I made a broadcast like […]

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How to Reverse Engineer Counterparty TX’s

For my pet-project Electrum Counterparty I need to replicate the various op_return messages used by Counterparty. Beware, this blog post is very technical – not very interesting for most people – but I share my insights to other developers who may be interested. A good starting point is the counterpartylib python code. Each transaction type (also called message) has its own .py script. The overall structure is added to a […]

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Hidden Gems – 2014/’15 Bitcoin NFTs & Collectables

The token ecosystem of 2014 and 2015 is characterized by creativity and experimentation. Little money was involved at the time and a handful of visionaries, driven by ideas not greed, came up with some pretty fascinating stuff. The tokens I present here are all on Bitcoin/Counterparty, which was the dominant standard pre Ethereum. My list is by no means complete. I merely list the most exciting tokens I can remember […]

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JPJA (2014) – Book NFT & DeFi Pioneer

JPJA is perhaps the first ever DeFi contract*. One hundred shares were issued with a promise of a future dividend based on the verifiable result of an underlying asset. TimelineOn 27 June 2014 I tokenized an eBook and promised a future dividend based on its revenues. Here’s the announcement on Bitcointalk: On 28 June 2014 the token supply was locked at 100 and the description updated to: “1 share = […]

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8 Reasons OLGA is Worth ₿88

The OLGA NFT is for sale at a price of 88.88888888 BTC. The symbolism of eternal eights aside, the old money equivalent is $4,000,000 at $45,000 per Bitcoin. Here are eight reasons we think the price is fair: Olga is the first ever NFTDespite what some may claim, I have yet to see an older true NFT. Typically the earlier pre-NFT experiments were not properly tokenized. They expired and fresh […]

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Timeline of OLGA NFT

OLGA is perhaps the first NFT ever created. Here’s its timeline and some background information. 12 June 2014 – NFT MintedOLGA token is minted through two Bitcoin transactions. The first sets the supply at one indivisible token with description “Моя Вечная One & Only”. The second transaction locks the supply, meaning no more tokens with this name can ever be issued on the Counterparty standard.#1 View on Xchain.io and Blockchain.com.#2 View on Xchain.io and Blockchain.com.Comment: This […]

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