Talks, articles and papers
Everything in one timeline, newest first. New decks open in the browser with speaker notes and can be downloaded as PowerPoint or PDF; older talks are kept as the original slides. Citation counts on papers are per source, as the sources overlap.
18 talks · 41 articles · 4 papers · 2014–2026
2026
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TALKNexa vs Bitcoin and Ethereum
Presentation for the Norwegian market · Norway September 2026
What makes Nexa different from Bitcoin and Ethereum: energy per transaction, e-waste, fair launch, scale and native tokens, with the environmental case backed by NTNU research. Concedes the critique of crypto before answering it.
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ARTICLE
Nexa is 13,000× more energy efficient than Bitcoin
Keeping Stock on Medium 13 September 2026
1 Bitcoin transaction: 580 kWh. Two weeks of electricity for a home.
2025
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ARTICLE
Nexa native tokens: YouTube video script for universities
Medium 14 October 2025
Script for a YouTube video intended for universities, with a brief follow-up exercise.
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TALK
Tokenising game ownership: GameFi on Nexa
GameFi Unleashed, TOKEN2049 side event · Singapore 30 September 2025
Short talk on tokenising game ownership: on Steam a game is a licence you cannot resell; on Nexa a developer can sell the game itself as a token. Co-hosted by All Things Block and Evolvh3r on a rooftop during TOKEN2049.
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TALK
Nexa x Exeter lecture: the Nexa blockchain
University of Exeter · Exeter, UK 11 March 2025
Guest lecture at the University of Exeter with a hands-on NexScript lab workbook.
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ARTICLE
Bitcoin transactions break at scale and miners’ income could collapse
Medium 4 March 2025
The Bitcoin block size limit arbitrarily limits Bitcoin to seven transactions per second on a good day, though it is usually closer to five.
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ARTICLE
Why was the block size limit added to Bitcoin?
Medium 26 February 2025
Satoshi Nakamoto added the block size limit in Bitcoin v0.3.1 on 7 September 2010. Why, and what it means today.
2024
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ARTICLE
Seven Wally Wallet use cases
Medium 29 December 2024
The Wally Wallet for iOS and Android allows digital payments and asset management, offering a decentralized, secure and agile way to pay.
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ARTICLE
Wally Nexa Wallet features
Medium 29 December 2024
Wally Wallet is your gateway to the Nexa blockchain and its decentralized financial ecosystem.
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ARTICLE
NexScript Playground: how to deploy and interact with the default smart contract
Medium 8 September 2024
NexScript is a high-level programming language for Nexa smart contracts with a strong abstraction layer over Nexa Script.
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ARTICLE
How to query the Nexa Rostrum API using Postman
Medium 3 September 2024
The Nexa blockchain provides a robust platform for decentralized transactions and custom tokens; this walks through querying it with Postman.
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ARTICLE
How to create or “mint” a Nexa NFT
HackerNoon on Medium 26 August 2024
How to create a Nexa non-fungible token at the NiftyArt.cash NFT marketplace and sell it.
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ARTICLE
iPhone BETA for Wally Nexa Wallet
Medium 6 April 2024
Use the Wally Nexa Wallet beta to access Nexa features, focusing on cryptocurrency as cash and a language for irreversible payments.
2023
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TALK
What is money?
Blockheim 2023, Trondheim Open Blockchain Meetup · Nerdekollektivet, Kjøpmannsgata 59, Trondheim 15 April 2023
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ARTICLE
How to mint a Nexa token
Medium 25 January 2023
Creating your token on the Nexa blockchain through the Nexa wallet or full node, step by step.
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ARTICLE
Nexa: how to see current p2p connections
Medium 25 January 2023
Nexa relies on a peer-to-peer network to propagate transactions and blocks; here is how to inspect your node's connections.
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ARTICLE
Nexa Blockchain’s vision for FPGAs and ASICs
Medium 21 January 2023
Blockchain scalability is a bottleneck for mass adoption; how Nexa plans to use FPGAs and ASICs to remove it.
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ARTICLE
How Nexa solves the blockchain trilemma
Coinmonks on Medium 20 January 2023
The blockchain trilemma is the challenge of creating a decentralized, secure and scalable blockchain at the same time.
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ARTICLE
The adaptive block size algorithm of Nexa
Medium 20 January 2023
A ChatGPT-assisted explanation of Nexa's adaptive block size, based on the documentation, with a code example.
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ARTICLE
ChatGPT article based on a $Nexa tweet by @mahoonwahen
Coinmonks on Medium 19 January 2023
An experiment in turning a Twitter thread about Nexa into an article with ChatGPT.
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ARTICLE
Nexa native tokens vs the Ethereum Virtual Machine
Medium 18 January 2023
Written with ChatGPT from notes taken during the Nexa AMA with Andrew Stone and Paul Church.
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ARTICLE
ChatGPT: three reasons for using tokens on $NEXA instead of ERC-20 tokens on Ethereum
Medium 17 January 2023
ChatGPT summarises a Twitter thread on native tokens versus ERC-20.
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ARTICLE
ChatGPT: what is the Delegated Payment Protocol in Nexa?
Medium 17 January 2023
ChatGPT answers the question, with commentary.
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ARTICLE
ChatGPT: write a Medium post introducing the Nexa cryptocurrency from Nexa.org
Medium 17 January 2023
The answer from ChatGPT, published as-is.
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ARTICLE
I'm not sure if the comment from ChatGPT is entirely accurate here
Medium 17 January 2023
A short note on checking ChatGPT's claims about Nexa.
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ARTICLE
NEXA: proof of work that creates useful ASICs
Medium 17 January 2023
Generated by querying ChatGPT and edited with Grammarly: why NexaPoW is designed to make ASICs that do useful work.
2022
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TALK
VotePeer and the Bitcoin Unlimited DAO
Trondheim Open Blockchain Meetup · DIGS coworking space rooftop, Trondheim 20 May 2022
2021
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ARTICLE
(*Almost) world-first research paper NFT
Medium 30 December 2021
The Minimum Hybrid Contract paper deployed as an NFT on Ethereum, so readers can reward useful research.
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ARTICLE
Kompendie: Innovasjonskontrakt
Medium 2 July 2021
Notater utredet fra forskjellige kilder hos Innovasjon Norge sine nettsider.
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PAPERPresentation
Forging legal contracts and smart contracts using the Minimum Hybrid Contract (MHC)
EASE 2021, online conference June 2021
Conference presentation of the MHC paper.
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TALK
VotePeer: an on-chain voting system
The Blockchain Hangout (THB talk) · London 2021
VotePeer lets anyone set up and hold a vote or poll on top of the Bitcoin Cash blockchain, built at Bitcoin Unlimited.
2020
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ARTICLE
Bitcoin Unlimited membership application
Medium 26 November 2020
A repost of the application on the Bitcoin Unlimited forum.
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PAPERConference paper, peer reviewed
The Minimum Hybrid Contract (MHC): Combining Legal and Blockchain Smart Contracts
EASE 2020, 24th International Conference on Evaluation and Assessment in Software Engineering, ACM June 2020
Proposes the Minimum Hybrid Contract: an online smart contract immutably linked to an offline legal contract, so that a contract's financial transactions become auditable, transparent and immutable while disputes stay with the civil courts. Preprint on arXiv, February 2020.
10 citations Google Scholar: 10 · ResearchGate: 6 · Semantic Scholar: 5 · Crossref: 4
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ARTICLE
The Minimum Hybrid Contract (MHC): tying legal effect to blockchain immutability
Coinmonks on Medium 7 April 2020
How can a free-market economy be secure, accountable, transparent and inclusive to the actors involved?
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ARTICLE
Legal strategy for regulating blockchain
The Capital on Medium 10 February 2020
By Jørgen Svennevik Notland on The Capital.
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ARTICLE
Oracles
Keeping Stock on Medium 20 January 2020
Smart contracts cannot guarantee information reliability outside their own network; they can only read what oracles bring in.
2019
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ARTICLE
Smart contract history and law
Medium 26 June 2019
A smart contract is a piece of computer code that executes on a blockchain such as Ethereum and can transfer value.
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ARTICLE
Financial innovation and regulation
Keeping Stock on Medium 14 June 2019
Blockchain is a financial innovation interconnected with the existing legal and regulatory space.
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PAPERMaster's thesis
The Minimum Hybrid Contract (MHC): Combining Legal and Blockchain Smart Contracts
NTNU School of Entrepreneurship, Norwegian University of Science and Technology June 2019
Having identified contracts as the nexus of corruption, the thesis asks how contracts, blockchain smart contracts and financial regulation can be combined to make contracts secure, accountable, transparent and inclusive, and introduces the term Minimum Hybrid Contract.
0 citations ResearchGate: 0
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ARTICLE
Fungible money
Keeping Stock on Medium 29 May 2019
Fungible: replaceable by another identical item, mutually interchangeable. What that means for cryptocurrency.
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ARTICLE
Cryptocurrency as money
Keeping Stock on Medium 22 May 2019
Money is a store of value, medium of exchange, standard of deferred payment and unit of account. Does cryptocurrency qualify?
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ARTICLE
Contracting in Brazil: a Ricardian contracts backdrop
Medium 28 February 2019
A backdrop on Brazilian contracting, for further research on Ricardian contracts.
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ARTICLE
Blockchain and transparency in trade
Cryptolinks on Medium 25 February 2019
Can blockchain smart contracts enable trust in supply chains and prevent moral hazard and cheating, in symbiosis with conventional contracts?
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ARTICLE
Kryptovaluta og private transaksjoner
Medium 22 February 2019
Skal vi la privatlivet vike til fordel for kriminalitetsbekjempelse?
2018
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TALKBitcoin and securities
Trondheim Open Blockchain Meetup · NTNU Gløshaugen, Gamle fysikk, Trondheim 18 September 2018
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TALK
Bitcoin introduction and more
Dustin.no · Aker Brygge, Oslo 2018
The Google Slides deck is private; share it with anyone with the link to get a PDF copy here.
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TALK
Bitcoin and blockchain: introduction and current events
BI Norwegian Business School · Trondheim 8 April 2018
2017
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TALK
Blockchain revolution: decentralize everything
Trondheim Developer Conference (TDC) · Clarion Congress, Trondheim 30 October 2017
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TALK
Revolusjon: Blockchain
NITO Bergen · Bergen 28 October 2017
The Google Slides deck is private; share it with anyone with the link to get a PDF copy here.
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ARTICLE
Decentralized cloud storage
Keeping Stock on Medium 22 June 2017
Current storage architecture relies almost entirely on large providers such as Google and Amazon acting as trusted third parties.
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ARTICLE
The self-sustaining blockchain casino
Keeping Stock on Medium 27 February 2017
Thanks to Håvard Kittelsen for the discussion that led to this post.
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ARTICLE
Blockchain enabled trust and transparency in supply chains (journal format)
Medium 14 February 2017
Authors: Jørgen S. Notland and Anders V. Hua.
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TALKCurrent applications and proof of concepts
Trondheim Open Blockchain Meetup · Trondheim 9 February 2017
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PAPERProject thesis
Blockchain enabled Trust & Transparency in supply chains
NTNU School of Entrepreneurship, Norwegian University of Science and Technology Autumn 2016, published February 2017
Investigates the nature of trust in supply chains and whether blockchain can increase it. Blockchain gives high integrity but unstable information reliability: how data is recorded on-chain is the critical step, and actors need a clear incentive before they adopt it.
29 citations ResearchGate: 29 · Google Scholar: 17
Google Scholar lists this thesis under two records (12 and 5 citations); 17 is the sum. Counts overlap between sources, so they are not added together.
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ARTICLE
Blockchain enabled trust and transparency in supply chains
Keeping Stock on Medium 1 February 2017
Link to the original project thesis, with a summary.
2015
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ARTICLE
Flare and networking effects
Medium 14 December 2015
At Flare we are pioneering crowdsourced safety: an app for iOS and Android where you can ask for help from people nearby.
2014
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TALKPatch: MyStory before Snapchat launched My Story
Startup post-mortem · NTNU, Trondheim 2014
A student team from StartNTNU builds a social app for sharing photos and videos that vanish after 24 hours, then watches Snapchat ship the same feature. What went wrong, what the team learned about momentum, roles and honesty about your own capabilities, and where the team went next.