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Lior Yaffe
Lior Yaffe

1.1K Followers

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Feb 28, 2022

Midnight Dream

I still recall from my history studies that waging a tank war in early spring when the melting snow turns to mud around the Dnieper Steppes is a bad idea. Back in WWII they used to halt operations until April-May when the ground had enough time to dry. To the…

2 min read

2 min read


May 9, 2021

State of the Blockchain Industry

My Sunday Morning Rant — In a past tweet I complained about the resurgence of the doge coin joke Frankly at least when it gets to dogecoin investors, like the GME ones, they know it’s nonsense so the “nonsenseness” is already priced (I hope) so people have no one to blame…

3 min read

3 min read


May 6, 2021

Smart Contracts Systematic Risks

Are you really sure about locking billions of $ in a contract? — April 19th, 2015 was supposed to be a normal day, I checked my messages before heading to work and my heart skipped a beat, here it was Blue on Gray the message that any blockchain developer fears “Nxt crashed. Generating just empty blocks and no transaction gets included… can somebody…

2 min read

2 min read


Feb 26, 2021

Bridge Champ and other musings

Let me start with a bit of a retrospective on the wonderful journey we had at Jelurida for the last 3 years starting from the Ardor mainnet launch. As you know, our business plan and vision around Ardor is to create a single chain “to secure them all” as the…

Contract Bridge

3 min read

Bridge Champ and other musings
Bridge Champ and other musings
Contract Bridge

3 min read


Apr 18, 2020

The Importance of CMC Ranking

as indicator to a blockchain project success — This week Ardor dropped out of the top 100 projects on CMC for the first time since I can remember. Except for my bruised ego, what does it mean for the project? Let’s put it upfront, the CMC ranking is important, the higher you are in the ranking, the better…

Blockchain

2 min read

The Importance of CMC Ranking
The Importance of CMC Ranking
Blockchain

2 min read


Mar 16, 2020

Ardor HD Wallet Cryptography

The cryptography behind the Ardor HD wallet implementation — We at the Jelurida R&D lab wanted to implement HD wallet for Ardor for a long time. However, for a while, we were missing the basic building blocks and the knowledge necessary to develop this feature. Especially since we wanted to make sure not to “role our own cryptography” as…

Blockchain

2 min read

Ardor HD Wallet Cryptography
Ardor HD Wallet Cryptography
Blockchain

2 min read


Mar 1, 2020

HD Wallet in Ardor

Derive multiple account addresses from a single seed — Anyone who is already familiar with Bitcoin wallets, be it hardware or software, knows that the first step in initializing a wallet involves the creation of a seed of 12 to 24 random words (also called mnemonic). In most cases the mnemonic is created based on a standard dictionary defined…

Ardor

2 min read

Ardor

2 min read


Dec 14, 2019

Crypto Marketing

After a busy month during November where the Jelurida team attended the Singapore fintech week, The Capital and Blockshow conferences and many more, followed by a workshop with Casino Austria International, where we explored together blockchain applications for the gambling industry, I would like to share some of my…

Blockchain

4 min read

Blockchain

4 min read


Sep 13, 2019

Where is the Bitcoin Roadmap?

I attended “The Bitcoin Edge” conference followed by “Scaling Bitcoin” this week. This was my first time attending a bitcoin developers conference. As you probably are aware, I’m very interested in blockchain scaling and privacy solutions. The purpose of spending four full days in these conferences was to learn about…

Bitcoin

3 min read

Where is the Bitcoin Roadmap?
Where is the Bitcoin Roadmap?
Bitcoin

3 min read


Sep 8, 2019

Thoughts about Privacy

Traditional Internet Privacy vs. Blockchain based Privacy — Our current definition of privacy over the internet when submitting information to a shopping, banking or insurance website goes something like this: Submitted data is private in the sense that my aunt, my boss, my neighbor, the competitor of the website, and most ordinary people cannot easily access it. However…

Blockchain

2 min read

Thoughts about Privacy
Thoughts about Privacy
Blockchain

2 min read

Lior Yaffe

Lior Yaffe

1.1K Followers

Co-Founder and Managing Director of Jelurida. Ardor and Nxt core-developer

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