Media & speaking.
Crypto expert for talks, panels, podcasts and press. I speak and comment on crypto scams, blockchain tracing, wallet recovery, and crypto in the courts, across Australia and New Zealand.
Talks and video
Forgot your passphrase? Here's what actually happens.
A walkthrough of how a forgotten-passphrase wallet recovery is really run: building a candidate list from what the owner remembers, then testing it at scale on GPU hardware.
NZ On-Chain Podcast
The podcast I co-host for Cryptocurrency NZ: long-form conversations with the people building, investigating and regulating crypto in New Zealand.
36:46
Matt Shallcrass: Crypto Tax, Financial Crime, IRD and more
Crypto taxation, financial crime enforcement, and how the IRD is approaching digital assets in New Zealand.
46:27
Charlie Kavanagh: Nansen, Data, Blockchain and more
Christchurch-born Charlie Kavanagh of blockchain analytics firm Nansen on airdrops, Bitcoin and Ethereum market dynamics, DeFi, speaking at Solana Breakpoint, and what on-chain data says about where crypto is heading.
30:07
Harry Satoshi: Journalist, Founder, Entrepreneur, Scams and NZ P2P Marketplace
Journalist, founder and creator Harry Satoshi on the changing blockchain landscape, scams, trust in decentralised systems, a peer-to-peer marketplace for New Zealand, and the future of Bitcoin here.
18:14
Jim Thorpe: Pay It Now, Web3 Payments & Crypto Adoption in NZ
Jim Thorpe of Pay It Now on entrepreneurship, programming, Web3 payments and the technology being built in New Zealand.
33:20
Matt Hoare: Cryptopia, Programming, Bitcoin and Ethereum
Former Cryptopia employee Matt Hoare on the collapse of the New Zealand exchange, how blockchains work, trust in decentralised systems, and the future of crypto and Bitcoin in New Zealand.
Community and industry
NZ On-Chain Podcast
Co-host of the NZ On-Chain Podcast for Cryptocurrency NZ. All episodes
Cryptocurrency NZ
Co-founder of Cryptocurrency NZ, one of Aotearoa's largest crypto education platforms, and a speaker at its meetups.
Blockchain Forum NZ
Executive Council Member of Blockchain Forum NZ, New Zealand's blockchain and digital assets industry association.
Blockchain NZ Awards
Startup of the Year 2025 at the Blockchain NZ Awards.
CryptoCon
A live demonstration of forgotten-passphrase wallet recovery, shown above.
Courts
Expert evidence on crypto in the NZ High Court, the ACT Supreme Court and Family Courts in Australia and New Zealand.
What I talk about
- Crypto scams: how they work and how to spot them
- Pig butchering and investment platform scams
- Recovery scams that target victims a second time
- How blockchain tracing actually works
- Hidden crypto in divorce and property settlements
- Crypto as evidence in criminal trials
- Recovering lost wallets and forgotten passwords
- Passing on crypto when someone dies
- Keeping crypto safe: custody, hardware wallets and inheritance