p2p electronic cash enthusiast || π΄π¦ @light__nh || βΏ he/they
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> privacy works best when built into the base layer
common misconception! i would say this is surprising coming from promoters of a chain that has both transparent and shielded pools, but that's also who inspired my most recent debunking of this take:
lightco.in/2025/08/12/shieldβ¦
The "Shielded Bitcoin" paper is a great step forward. More privacy on Bitcoin is good for everyone.
Fun fact: Zerocoin, the paper behind Zcash, was first proposed for Bitcoin in 2013. The Bitcoin community passed on it, as zero-knowledge proofs were still immature.
But the solution the paper presents is not competition for Zcash:
- It uses a trusted setup
- There's no consensus enforcement
- No trustless light clients
- Its bridge, usually the most hacked part of these designs, isn't specified yet
- Bitcoin L1 transaction fees
- It doesn't have a >$7B shielded pool with millions of transactions to hide in
- It's a paper. Zcash has ~10 years in production, pioneered ZK proofs in production, and has the wallets, audits, and hardware support.
More broadly: privacy works best when built into the base layer. Not requiring Bitcoin changing is this design's biggest selling point, and also its biggest drawback.
We're rooting for more privacy on Bitcoin. Financial privacy isn't zero-sum.
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light π retweeted
Native SNARK verification on Bitcoin would unlock better scalability and privacy via protocols like @Glass_Coins.
Looking forward to presenting our progress on a SNARK verifier BIP at Bitcoin Research Day
This year we'll have @0xgazelle, @jesseposner and @robin_linus talking about advances in topics from last year's Bitcoin Research Week (PQ, Nested MuSig and ZKP), plus @stevenroose3, @nemothenoone and @nadav_kohen covering hot topics in Bitcoin (Ark, PIPEs v2 and Isogenies).
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Great to see more work on encrypted bitcoin protocols. I prefer the @Glass_Coins / Shielded CSV approach, as it is lightweight on blockspace usage by default while maintaining the ability to fallback to onchain DA if needed.
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The Glass Coins protocol specification
hackmd.io/H7BO61ART0CazAh752β¦
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Our latest research reduces the offchain data required for garbled Groth16 verification on Bitcoin by more than 99.99%.
48 GB β under 2 MB.
eprint.iacr.org/2026/2100
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prediction: if such a ban were put into effect in the united states, it would not survive first contact with the supreme court
Scientists and industry leaders have been increasingly clear: AI could soon be smarter than humans and function outside of our control.
For the sake of all of humanity, Trump and Xi must negotiate a treaty NOW to pause AI and ban superintelligence before it is too late.
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light π retweeted
π = supporting a more expressive scripting language on bitcoin aka tapscript v2 aka GSR
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Glass Coins DevCall
Weβll go over recent protocol work and take questions.
π Friday, September 25 β’ 5:00β6:00 PM UTC
π
calendar.app.google/5MwNghSSβ¦
π₯ meet.google.com/vin-wbmb-thb
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light π retweeted
Solving Bitcoin is an auto-research project aimed at advancing the state of the art in Bitcoin protocols.
Weβre starting by optimizing common cryptographic primitives, including Lamport signatures and arithmetic.
Join us: let your clankers optimize scripts, implement new primitives, and submit PRs.
github.com/solving-bitcoin/bβ¦
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ALT Quote: The revised BRCA would still represent meaningful progress. Congress would, for the first time, put into statute the principle that developers who do not control user funds should not be regulated as money transmitters simply because they build the tools that allow people to transact. That is worth recognizing. But it is not the full protection Coin Center has advocated for, and it does not end the debate over criminal liability for non-controlling developers. If enacted, there will still be important work left to do.
The proposed BRCA changes are a tough pill to swallow
coincenter.org/the-proposed-β¦
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"Live free or die: Death is not the worst of evils."
- General John Stark
If the options are letting Anthropic/OpenAI control AI or 10% chance of the death of humanity, I hit the death of humanity button without thinking twice.
A fascistic oligopoly of AI is worse than the scary world of open models. Death is preferable.
I wonβt let freedom yield to fear.
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light π retweeted
In this weekβs @bitcoinoptech podcast, @theinstagibbs asked how BIP-448 can improve BitVM bridges.
Hereβs the writeup:
OP_TEMPLATEHASH can solve two of the biggest BitVM3 bridge pain points:
β’ interactive deposits β non-interactive
β’ 1-of-n committee for safety β gone
robinlinus.com/bitvm448.pdf
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encrypted bitcoin
The Glass Coins protocol specification
hackmd.io/H7BO61ART0CazAh752β¦
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bitcoin (+ π) fixes this
New: a secretive DHS predictive policing unit is analyzing Americans' financial activity, feeding those names to police, then having cops pull them over. Not suspected of specific crime. We're revealing unit name: Predictive Intelligence Targeting Team 404media.co/a-secretive-dhs-β¦
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Report comparing different vault implementations, by Lillian Wang HT @mitDCI
PDF: raw.githubusercontent.com/Skβ¦
Discussion: groups.google.com/g/bitcoindβ¦
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Glad to see Liquid users get most of their coins back. For context, most reputable wallet recovery e.g. "forgot my password" services will charge 15-30% per recovery. This is on the lower end of that price scale. Pretty gutsy ofc, given the ... alegality ... of the operation.
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