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David on Smart Contracts on the XRP Ledger. 1) We don't need full general purpose SC. We don't need to be the best SC platform, just a little bit programmability via SC. 2) It boosts native features. If you can't connect native features together they are not as useful....

103,167 views • 8 months ago •via X (Twitter)

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This is SO cool !! I just used up for voting amendment XLS-96 Confidential Transfer / privacy on the XRP Ledger dev net enabled by homomorphism and ZK proofs. What's going on here and how do nodes know payments are correct while not able to see the amounts ? 1) I issued a confidential MPT on the XRP Ledger dev net. I shielded my balance. Privacy for the amounts of my XRPL issued asset balance and transfers (the addresses stay public). No one can see the amounts, it's all shielded, except the issuer and the auditor who can always decrypt them (or you, like in the video on my esp32). 2) The XRP Ledger uses 2 boxes 📦 for this all under the hood, an Inbox-box and a Spending-box. I don't go into detail why thats needed but it's important we have it. 3) How do Validators and nodes know the transfers are correct if they can't see the amounts? Now the true magic is enabled by homomorphism. It allows to do operations arithmetic on encrypted data as if it were plaintext, without the need to decrypt it. Like adding and subtracting amounts to your balance. ZK proofs fill the gap that nodes need. We need a comparison of the balance that after you have done your payment you have >= 0 balance. If you would have negative balance it means you trying to spend more than you have something we need to prevent. For this a ZK proof is used to quickly allow people to check, ahh all good, no idea how much Vet owns but whatever he is spending here it's definitely within his balance and it's not below 0. Those 2 techniques soon on a public decentralized blockchain XRP Ledger. Should give you goose bumps what this means for possible use cases.

Vet

66,882 views • 12 days ago

My thoughts & analysis on Mark Carney's speech at the World Economic Forum in Davos; "Canada has what the world wants. We are an energy superpower. We have the most educated population in the world." * It was an excellent, strong, and statesman like speech that Caandians in general should be happy and even proud of. * It was an important speech to deliver ahead of Donald Trump's speech tomorrow. This is also an attempt to create contrast in leadership and stability. The problem isn't the speech is what happens outside of it - the reality. * You can't say Canada is open for business and not deliver. * You can't tell the world we have what you want and take 20 years to navigate our own red tape. * You can't tell the world we have the best educated people in the world while having a braindrain because they have nothing to work on. The words sound nice but time and time again the government fails to deliver on them. For Canada, to become the core power player we so desperately want to be we need to be dependable and stable. We can't be infiltrated and work with foreign government that openly want to destroy the West. We can't tell our allies there is no business case when they need us. We have to be confident in the integrity and sovereignty of our nation and not surrender it to the ideologies and foreigners who come by. We need to fix and remove everything that gets in the way of what we are trying to offer to the world. Even though we are obviously upset with Donald Trump conduct we also need to remember that Canada's closest ally and our biggest economic driver will always be the US and there is nothing wrong with it (and yes we need to grow outside of it). With such, we need to have the sensibility not to run to the worst regimes around the world and surrender ourselves and this continent to them. If we want to lead, sometimes we need to lead in our relationships including with the US.

Kirk Lubimov

75,040 views • 7 months ago