Looks to me like proof-of-authority [1] [2]. I think this is effectively what USDC and many proposed CBDCs use. I am all for sustainability but I think the use of "wood" here is at best a distraction or a misunderstanding of how a blockchain prevents double-spending. Looks to me like Woodcoin should be ignored.

[1] https://ethereum.org/en/developers/docs/consensus-mechanisms...

[2] https://econmentor.com/CBDC-Central-Bank-Digital-Currency-i-...

Ask HN: The government of my country blocked VPN access. What should I use?

Ask HN: What to Learn for Math for Modeling?

Ask HN: What to do when you suspect your interview is with a state operative?

Ask HN: How much better can the LLMs become assuming no AGI

Ask HN: Why hasn't x86 caught up with Apple M series?

Ask HN: How to teach a 4 year old to code?

Ask HN: Services for Shutting Down a Startup?

Ask HN: Anyone working on bringing software back from US clouds?

Ask HN: Where can I see a live octopus in Maine?

CompactifAI Inference API

Ask HN: How can I recover and run my old mobile game from the 2010s?

Ask HN: Did modern AI's coding abilities make you lose interest in programming?

Petition to stop Google from restricting sideloading and FOSS apps

Anthropick.com Redirects to ChatGPT

Ask HN: What are the best Google alternatives in 2025?

Ask HN: GitHub Copilot down?

Ask HN: What to Do with Old iPads?

Ask HN: Windows 11 Update Fail – Linux Distro Suggestions?

Units of Economics of LLMs. Reply to Ed Zitron's "AI Is a Money Trap"

Ask HN: Best codebases to study to learn software design?

Ask HN: Does sentience put stress on the brain?

Ask HN: How to Learn to Build Agentic AI Systems (Like Claude Code)

Ask HN: Is there a temp phone number like temp email?

Ask HN: What measures are you taking to stop AI crawlers?

Out of curiosity: what kind of people use this "forum" (I mean Hacker News)?

Ask HN: Is backlink trading still a problem worth solving?

Ask HN: Why are so many services rejecting Google Voice numbers for signups?

Ask HN: What should I use to run React Native tests on a device?

Stop squashing your commits. You're squashing your AI too

Ask HN: Are AI filters becoming stricter than society itself?

Tell HN: any reasonably used DB will likely outlast the programs using it

Ask HN: Any experienced devs who use AI extensively in their work?

Ask HN: I just abandoned my PyCharm subscription, what should I use now?

Ask HN: How do you find early stage startups to join

Ask HN: How are you attributing your AI usage when developing software?

Patient Lisp Hacker Seeks Same for Long Walks Through IPL-V Code

Ask HN: Has anyone else used online communities that are archetypically "savvy"?

Woodcoin: The First Physical Crypto Currency

Comments (1)