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Mike Hardcastle

Bitcoin Investor

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Oxfordshire, UK

mike@mikehardcastle.com

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Recent Posts

Are we in an AI bubble? 20th November 2025
Have we evolved beyond the 4 year Bitcoin cycle? 18th November 2025
My journey to model my personality in AI 9th November 2025
Self Sovereignty and Corporate Enshitification 4th November 2025
The illusion of understanding 28th September 2025
NOSTR and self sovereign identity 24th September 2025
Why Mine Bitcoin at Home? 22nd September 2025
My Reasons for running Bitcoin Knots 7th September 2025
What’s happening to Bitcoin, a market analysis. 6th September 2025
Bitcoin Blocksize, a discussion 20th August 2025
The Illusion of VPNs 16th August 2025
Why doesn’t the government just print money instead of charging taxes? 11th August 2025
NOSTR remote signer review 30th July 2025
Is Bitcoin going to absorb all other altcoins by becoming Turing complete? 6th May 2025
Bitcoin Merchant Services 11th February 2025
China is not your enemy, but it is competing with you. 30th January 2025
Ledger Stax a review 6th January 2025
So what’s the problem with investing in Altcoins? 13th December 2024
Bitcoins Battle as a Currency 12th December 2024
An Open Letter to anybody considering Bitcoin as an Investment 11th December 2024
NOSTR and secure, private messaging 6th December 2024
The Caribbean, moving to a Bitcoin friendly country 2nd December 2024
Bluesky vs NOSTR 1st December 2024
Bitcoin off-ramps for spending fiat in the UK 28th November 2024
Bitcoin and Debt 22nd November 2024
My experience of running a Bitcoin + Lightning node 18th November 2024
A Dissenting Voice; Legacy Social Media 30th September 2024
NOSTR Identity and Lightning address yourname@yourdomain 13th September 2024
Different NOSTR apps available 12th September 2024
NOSTR clients 11th September 2024
NOSTR basic concepts for new users 10th September 2024
Bitaxe and mining pools 9th September 2024
NOSTR – A social media protocol for the next epoch 26th August 2024
Bitcoin, Web3 and decentralised social media 7th February 2023
Bitcoin, a journey 28th May 2020
Some advice about professional advice 14th January 2020
Profit Share Investments – A warning 10th May 2019
Venture Capital Firms, an Investors view 1st May 2019
A Founders Guide on Seeking Investment 21st February 2019
My Statement on Blockchain, Bitcoin and other Crypto Currencies 18th October 2018
Further Notes on Attracting an Investor – First Pitch 10th September 2018
Climate Change Doesn’t Matter (Part 2) 31st August 2017
Climate Change Doesn’t Matter 22nd August 2017
Where is the value in a startup? 5th July 2017
Some Notes on Finding an Investor 23rd May 2017
Is Crowdfunding becoming a Ponzi system? 22nd May 2017
Sometimes, Both Sides are Right 8th September 2016
Startup Slang 29th June 2016
The Small “Tells” when Pitching 16th June 2016
#BREXIT and I 3rd June 2016
Gaia, AI and Robots 18th May 2016
£5M is the new £3M 4th March 2016
The Founders; A Test of Common Sense 13th January 2016
Non Disclosure Agreements 5th January 2016
Patents 4th January 2016
The Unknown known 3rd December 2015
Competing Investments 2nd December 2015
Another Founder Fails 30th November 2015
Some advice about legal advice 6th November 2015
Reasons your startup isn’t worth £1M 7th October 2015
Densitron is saved !!! 25th September 2015
Pre-money Valuations 18th September 2015
3 Ways to value a company 23rd July 2015
Mentoring adventures – Watching failure in real time! 7th July 2015
How do we measure success? 24th June 2015
It turns out I was wrong, I am a Founder! 18th June 2015
How leveraged should you be? 4th June 2015
Structure of a Business Plan 2nd June 2015
Don’t make claims you can’t back up. 2nd June 2015
Should money go up in smoke? 27th March 2015
Learn from losers 23rd March 2015
The Funded Salary Conundrum for Startups 18th March 2015
Is the Web Dying? 18th February 2015
Do accelerators / hubs / campuses work? 17th February 2015
Lean vs. Funded 16th February 2015
How to value a company? 13th February 2015