Alex Chepurnoy Profile
Alex Chepurnoy

@chepurnoy

Followers
11,849
Following
852
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Statuses
10,667

aka kushti, core dev of Ergo Platform ( @ergoplatformorg ). Cryptography, blockchain, research. Prev: Nxt,,IOHK Papers coauthored:

Joined October 2009
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@chepurnoy
Alex Chepurnoy
3 years
Thanks for the mentions @IOHK_Charles , Ergo is always happy to collaborate to help advance eUTxO. Be sure to pass our regards to Bruno, excellent work as always. Also congratulations on the recent smooth transition to alonzo white.
@IOHK_Charles
Charles Hoskinson
3 years
Djed StableCoin
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@chepurnoy
Alex Chepurnoy
2 years
Ergo will be Proof-of-Work, with innovative financial applications for miners in particular already exist & there will be more. I do not see how anyone can compete with Ergo here.
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@chepurnoy
Alex Chepurnoy
2 years
Can you prioritize listing of normal cryptocurrencies then over centralized overhyped "blockchain projects" with bad design ?
@cz_binance
CZ 🔶 BNB
2 years
1. At #Binance we prioritize user protection. We made the decision to suspend LUNA and UST trading. Here's why. A thread 👇
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@chepurnoy
Alex Chepurnoy
3 years
Take as much control over the Ergo ecosystem as you possibly can.
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@chepurnoy
Alex Chepurnoy
6 months
Thanks @IOHK_Charles ! Yeah, it becomes a mystery
@Wild_Runner
Down to Σ₳rth
6 months
@IOHK_Charles "I cannot for the life of undertand why Ergo is not in the top 15, top 20. With what it's accomplished and what they've done. Doesn't matter, they don't get liquity. Don't know why. I really don't. Especially given all the other stuff that gets it." #ERGO
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@chepurnoy
Alex Chepurnoy
1 year
Bitcoin is unstoppable money. Ergo is unstoppable money and financial system.
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@chepurnoy
Alex Chepurnoy
2 years
Ergo node is going to get biggest updates since the mainnet launch: bootstrapping with UTXO set snapshot and nipopows (by me), optional indexes for explorer-like queries (by fanta)
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@chepurnoy
Alex Chepurnoy
5 months
Sad to see Bitcoin sidechains with EVM , means a lot of hacks, flashloan attacks etc there. Better DeFi with Ergo and Sigmachains to the rescue!
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@chepurnoy
Alex Chepurnoy
1 year
What are innovations there? @cz_binance
@binance
Binance
1 year
#Binance will list @pepecoineth $PEPE and @RealFlokiInu $FLOKI in the innovation zone. ➡️
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@chepurnoy
Alex Chepurnoy
2 years
Do not forget that the main point of cryptocurrencies is about creating money with no trusted parties. Which is even more problematic than giving privacy back to users.
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@chepurnoy
Alex Chepurnoy
11 months
In the middle of a drama, another loan to Kenyan cooperative has been provided, with 42% of the loan amount taken from repayments of previous interest-free loans. Let's not forget why are we here.
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@chepurnoy
Alex Chepurnoy
2 years
There will be only 97.74M ergs issued. More than 60% of it already mined.
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@chepurnoy
Alex Chepurnoy
2 years
So nice to see RVN folks digging into the Ergo protocol. I am sure many will stay here.
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@chepurnoy
Alex Chepurnoy
2 years
Every day some bank is failing. At the same time, Kushti's Self-Sovereign Bank (KSSB) on top of autonomous solid money works normally with perfectly known trust assumptions and risk profile
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@chepurnoy
Alex Chepurnoy
2 months
The World still urgently needs for better money. Join us in this quest. #Ergo
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@chepurnoy
Alex Chepurnoy
2 years
Under the hood, SigmaFi ( ) has beauty UTXO-centered design: every bond is p2p contract, there is no central contract to pause or hack everything, not hard to augment existing bond contracts with new ones.
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@chepurnoy
Alex Chepurnoy
3 months
In few years Ergo will be hyperconnected blockchain, with many bridges, sidechains, relays etc
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@chepurnoy
Alex Chepurnoy
1 year
Tested NiPoPoWs with stateless mode, works well. Config example (storage after bootstrapping ~100Mb): ergo { networkType = "mainnet" node.stateType = "digest" node.blocksToKeep = 1440 node.nipopow.nipopowBootstrap = true }
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@chepurnoy
Alex Chepurnoy
2 years
Having emission stated explicitly in a contract is helping with making emission logic observable, cleaner and testable, which, in turn allows to avoid emission bugs like ones happened in Bitcoin and Ravencoin
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@chepurnoy
Alex Chepurnoy
2 years
Officially halted blockchain ???
@terra_money
Terra 🌍 Powered by LUNA 🌕
2 years
The Terra blockchain was officially halted at a block height of 7603700. Terra validators have decided to halt the Terra chain to prevent governance attacks following severe $LUNA inflation and a significantly reduced cost of attack.
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@chepurnoy
Alex Chepurnoy
2 years
Any chance Binance will stop listing crappy tokens like Serum in a rush ?
@binance
Binance
2 years
What's one question you've always wanted to ask @cz_binance ?
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@chepurnoy
Alex Chepurnoy
2 years
Ergo-centered applications (Ergo Mixer, SigmaFi, Oracle pools, ChainCash, Lithos etc) are about peers (or even p2p networks) making agreements via lean on-chain contracts
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@chepurnoy
Alex Chepurnoy
3 months
"We are pleased to inform you that your research paper: "MONEY CREATION WITH ELASTIC SUPPLY VIA TRUST AND BLOCKCHAIN ASSETS IN GLOBAL DIGITAL PEER-TO-PEER ENVIRONMENT" has been ACCEPTED for full paper submission and oral presentation at the RAMICS2024 conference..."
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@chepurnoy
Alex Chepurnoy
2 years
"According to a report, Solana founder Anatoly Yakovenko said in a tweet message that Serum's original key may have been compromised with the FTX hack, and developers are working on forking Serum's code." Note, does not have keys
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@chepurnoy
Alex Chepurnoy
1 year
L1 scalability plan was broken since day 1, incomplete and useless GHOST component, weird design of authenticated state, no stateless clients support there, unsuccessful attempts to introduce storage rent etc
@Justin_Bons
Justin Bons
1 year
Ethereum was everything that I wanted Bitcoin to become; ever since I discovered it in 2013 ETH was fulfilling Bitcoin's promise of security & scarcity combined with DeFi! Scaling without sacrificing decentralization! That is until ETH pivoted away from L1 scaling last year...
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@chepurnoy
Alex Chepurnoy
3 years
We are looking for security researchers to perform audit of Ergo's p2p code around December. Please reach us @ team @ergoplatform .org
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@chepurnoy
Alex Chepurnoy
1 year
It was quite obvious to me even few years ago that programmable money should be emitted by a program. So emission contract was one of the earliest (and can be found in the ErgoScript WP). Surprisingly, still shocking for many newcomers.
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@chepurnoy
Alex Chepurnoy
2 years
Both, but we are not scammy enough it seems
@chepurnoy Has #Ergo Foundation applied for a listing at @krakenfx and/or @binance / @cz_binance ?
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@chepurnoy
Alex Chepurnoy
2 years
How can things published in the whitepaper before the mainnet launch be a secret? Yes, ERGs are locked up in contracts, unlike Bitcoin and its forks which do not have expressive contracts, and so emission hardcoded in client code (which is worse for many reasons, e.g. RVN fork)
@leon_texas
Leon Ravencoin 🅁🅅🄽 ₿
2 years
Wtf #Ergo ? How has this been kept secret? Seriously. Wtf $ERGO? Are there’s accurate statements?
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@chepurnoy
Alex Chepurnoy
3 months
A kind reminder
@chepurnoy
Alex Chepurnoy
3 years
Take as much control over the Ergo ecosystem as you possibly can.
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@chepurnoy
Alex Chepurnoy
1 year
Most of today's DeFi is just a simulation of rent-economy's financial sector (i.e. status quo). For the Ergo alternative, the goal I think is about using markets where it makes sense (and only there), and connect DeFi to the real world
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@chepurnoy
Alex Chepurnoy
2 years
Meanwhile, it seems 5.0 soft-fork has enough 90+% hashrate support, so activation is expected in about 45k blocks. It will provide big boost to tps, tooling, and simplify many contracts.
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@chepurnoy
Alex Chepurnoy
3 years
True, it is a greatest pleasure to work for such a community.
@ergo_platform
Ergo
3 years
One of #Ergo ’s greatest strengths is the community of #Ergonauts ! This project is built for you and we are focused on making Ergo equitable for everyone - for all present and future Ergonauts! #DeFi #crypto #money $ERG
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@chepurnoy
Alex Chepurnoy
3 years
And that's just the beginning of realizing eUTXO cuteness
@IOHK_Charles
Charles Hoskinson
3 years
It's almost as if this EUTXO thing is a really good idea or something.......
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@chepurnoy
Alex Chepurnoy
3 years
There's nothing unnecessary in Ergo design. PoW, scalability solutions (stateless clients, NiPoPoWs), storage rent, gas-less contracts in the UTXO model - you can't remove or change any part of the equation without seriously reconsidering security assumptions.
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@chepurnoy
Alex Chepurnoy
2 years
Scam artists, just stop to spread APY lies at this point. Try to tell something about risk profile of your "projects" instead.
@justinsuntron
H.E. Justin Sun🌞(hiring)
2 years
#USDD mining is live now on with 40% APR. You can now deposit your #USDD in Justlend.
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@chepurnoy
Alex Chepurnoy
1 year
Ergo's transaction validation protocol tries to be leanest government possible. Thus it does not care about tx fee, it does not even know about it. Tx fee is a result of agreements between nodes in the network & between miners and users
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@chepurnoy
Alex Chepurnoy
11 months
Network of Ergo nodes, offchain bots (DEX matchers, financial instruments issuers), ChainCash servers in future is basically unstoppable digital free banking system. Good reading list on free banking can be found at
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@chepurnoy
Alex Chepurnoy
3 years
Good to see some Ergo team members from 2018 coming back. Also, so many new developers, hard but happy days.
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@chepurnoy
Alex Chepurnoy
1 year
Finally, provided an interest-free loan to Kenyan cooperative using EXLE beta interface!
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@chepurnoy
Alex Chepurnoy
8 months
If you think you understand money, you don't understand money.
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@chepurnoy
Alex Chepurnoy
2 years
Next ERG emission reduction is in ~27 days
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@chepurnoy
Alex Chepurnoy
2 years
As a reminder, do not hold on CEXes. Prefer DEXes over CEXes. Use trust-free DeFi tools.
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@chepurnoy
Alex Chepurnoy
1 year
Recently, a paper on 2 novel layer-0 attacks on pre-merge Ethereum (and so, ETC / EthPoW) cients appeared . Ergo ref client is immune to imaginable variants of both attacks. No random PoW validation, different ghost sidechain processing & no master peer
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@chepurnoy
Alex Chepurnoy
2 years
ErgoHack IV is just mind-blowing. Like 5 or 6 projects I am willing to check details about
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@chepurnoy
Alex Chepurnoy
5 months
After activation of 6.0 Sigma update soft-fork, efficient trustless Ergo hashrate derivatives will be possible
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@chepurnoy
Alex Chepurnoy
2 years
Next node release will have much improved bootstrapping, especially in regards with memory footprint (got full sync done with 1GB limit and heavy profiling attached)
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@chepurnoy
Alex Chepurnoy
4 years
Ergo Platform moving towards being true community-driven Proof-of-Work cryptocurrency, now "Team" page is replaced with "Hall of Fame"
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@chepurnoy
Alex Chepurnoy
11 months
ChainCash whitepaper has been massively updated: , would be happy to get feedback!
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@chepurnoy
Alex Chepurnoy
3 months
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@chepurnoy
Alex Chepurnoy
2 years
Toxic greed eth ecosystem is based on since The DAO contributed a lot to the Scam Bankster-Fraud
@VitalikButerin
vitalik.eth
2 years
Automatically downgrading every single thing SBF believed in is an error. It's important to actually think and figure out which things contributed to the fraud and which things didn't. Don't be the guy who would have tried to cancel vegetarianism in 1945.
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@chepurnoy
Alex Chepurnoy
2 years
First outgoing multisig transaction signed by cooperative of Kenyan farmers , using Minotaur wallet
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@chepurnoy
Alex Chepurnoy
1 year
The next ERG emission reduction is in ~20 days
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@chepurnoy
Alex Chepurnoy
1 year
On height 1,044,479 nodes on v. 5.0.12 taken the first UTXO set snapshot. Thus bootstraping with UTXO set snapshot is unlocked in the mainnet now.
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@chepurnoy
Alex Chepurnoy
1 year
During the ErgoHack VII we've proven (with real contracts) that for Ergo <-> Ergo-like sidechain transfers can be trustless (so security is reduced to consensus issues).
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@chepurnoy
Alex Chepurnoy
4 months
On July, 1st, we'll have 5th Egversary, with another online event focused on future of Proof-of-Work and next 5 years of Ergo ecosystem growth
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@chepurnoy
Alex Chepurnoy
3 years
ErgoPad staking contracts successfully deployed is the whole new level in exploring eUTXO possibilities
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@chepurnoy
Alex Chepurnoy
1 year
Just imagine the world where money supply is defined by individual settings in peer-to-peer network(s)
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@chepurnoy
Alex Chepurnoy
1 year
Next Ergo emission reduction is in less than 2 days
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@chepurnoy
Alex Chepurnoy
1 year
A Kenyan cooperative is repaying (interest free) loans on time ! . With on-chain transparency, EXLE loans would set a new standard for charities.
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@chepurnoy
Alex Chepurnoy
1 month
More hard lessons in decentralization are coming
@WatcherGuru
Watcher.Guru
1 month
JUST IN: 🇫🇷 Telegram Founder & CEO Pavel Durov arrested in France.
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@chepurnoy
Alex Chepurnoy
1 year
P2P contracts can not have a killswitch
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@chepurnoy
Alex Chepurnoy
2 years
Such wow. Rare chance to learn from some world's biggest scammers in one day
@PelosiTracker_
Nancy Pelosi Stock Tracker ♟
2 years
Breaking🚨: SBF has just CONFIRMED that he will be speaking next week at the New York Times Event Other speakers? Well The President of Ukraine, Larry Fink, Janet Yellen, Mike Pence, & more. And the cost to attend? - $2,400
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@chepurnoy
Alex Chepurnoy
2 years
Exploring and helping to explore programmable money possibilities, to pave the future of PoW mining in particular. However, RVN is absolutely helpless about that. #Ergo
@Ravencoin
Project Raven 🦅/ RVN / Ravencoin
2 years
What are you doing to celebrate Ravencoin’s fifth anniversary this month?
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@chepurnoy
Alex Chepurnoy
4 months
First step towards doing contracts and apps on Ergo with no coding!
@c8e4d2
c8
4 months
Timelock Multisigs Contracts with blockly (10h personal #Ergo hack): try it: github: credits: XEHLI G & Kinechan - Waifu (Áudio Oficial) 🔊 🔊 🔊
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@chepurnoy
Alex Chepurnoy
2 years
Happy 14th Bitcoin mainnet anniversary! Bitcoin was an inspiration. And a Bitcoin block id was used in proof-of-no-premine generated during Ergo mainnet launch ceremony.
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@chepurnoy
Alex Chepurnoy
2 months
Ergo was specifically designed for making new classes of monetary systems on top of it, such as LETS and ChainCash, with p2p interactions, and p2pFi instruments like SigmaFi or SigmaO (or exchange tools like TradeHouse)
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@chepurnoy
Alex Chepurnoy
2 years
Next version of the ZeroJoin protocol (ErgoMixer is implementing) will provide possibility to anyone to profit from mixing coins, with mixer privacy preserved via a stealth address scheme
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@chepurnoy
Alex Chepurnoy
1 year
The Ergo Summit will mark the beginning of a new era with storage rent in action and aggressive emission reduction
@chepurnoy
Alex Chepurnoy
1 year
Around 4th Ergversary (on July 1st) it will be another online Ergo Summit . What do you what to get out of it?
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@chepurnoy
Alex Chepurnoy
8 months
Wanna touch the future with programming money in a hack-minimized and logical way? Learn ErgoScript by reading example smart contracts powered by the Ergo Playground:
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@chepurnoy
Alex Chepurnoy
2 years
"Not your keys, not your coins" does not hold for ofac-compliant blockchains
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@chepurnoy
Alex Chepurnoy
2 months
Ergo is still open for everyone and still GPUs powered
@SonOfATech
Son of a Tech
2 months
@kr00tmantech I was sold on the pushback against banks and governments. All it is now is an industry run by the same type of people keeping the general public out of it
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@chepurnoy
Alex Chepurnoy
1 year
Around 4th Ergversary (on July 1st) it will be another online Ergo Summit . What do you what to get out of it?
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@chepurnoy
Alex Chepurnoy
1 year
@Justin_Bons Let's have sorta OGs talk there
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@chepurnoy
Alex Chepurnoy
1 year
Ergo protocol reference client 5.0.13 supporting headers-chain bootstrapping via NiPoPoWs is finalized and under review now
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@chepurnoy
Alex Chepurnoy
2 years
Will add some applications on top of the Ergo blockchain (oracles, dex, etc) and publish as PDF later
@chepurnoy
Alex Chepurnoy
2 years
Know Your Assumptions - on security assumptions used in Bitcoin and Ergo protocols
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@chepurnoy
Alex Chepurnoy
7 months
Dexy public testing data: LP UI: Bank UI: Testnet Nautilus is needed: Please provide feedback over
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@chepurnoy
Alex Chepurnoy
2 years
Just created TG chat to discuss design and deployment of DexyGold, an algorithmic gold-pegged stablecoin, and corresponding oracle pool. Please join!
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@chepurnoy
Alex Chepurnoy
3 months
Future of Bitcoin's security budget is more and more unclear with time, security budget in every PoS is based on endless emission, only in Ergo future of security budget is based on storage rent (aka demurrage aka vault fee), as well as endless emission of secondary tokens
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@chepurnoy
Alex Chepurnoy
5 months
Interesting to see Autolykos2 being used outside of Ergo. And with support for custom Autolykos2 proof check coming to ErgoTree(/Script) , that would mean possibility to build efficient Blocx relays on Ergo!
@BLOCX_TECH
BLOCX. (Official)
5 months
🎉 BLOCX. transition to a New Era! 🎉 We're thrilled to announce a major shift at BLOCX. We're changing our hashing algorithm from X11 to Autolykos2, paving the way for full GPU friendly mining! 🚀 Here’s everything you need to know: 🔸Why Change? - Decentralization: ASIC
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@chepurnoy
Alex Chepurnoy
3 years
Ergo node is not affected by log4j (CVE-2021-44228) vulnerability.
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@chepurnoy
Alex Chepurnoy
8 months
Bank & LP UI testing for Dexy testnet contracts is going well!
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@chepurnoy
Alex Chepurnoy
3 years
Reminder, no reentrancy hacks possible on Ergo
@WuBlockchain
Wu Blockchain
3 years
liquidity management protocol Visor was attacked again by hackers. Hackers withdrew more than 8.8 million VISR tokens and sold them on Uniswap, causing the VISR tokens to plummet by nearly 95%, and it has used Tornado laundering
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@chepurnoy
Alex Chepurnoy
3 months
During the upcoming Ergversary, Cipher from @NervosNetwork community, Author of the RGB++ Protocol and Founder of CELL Studio, will present a talk on “UTXO STACK: The Bitcoin Native Extension Stack"
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@chepurnoy
Alex Chepurnoy
1 year
Back to 2021, the next Ergo Summit will be big again
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@chepurnoy
Alex Chepurnoy
4 months
Some mind-blowing PoW research from academia will be presented. Stay tuned!
@chepurnoy
Alex Chepurnoy
4 months
On July, 1st, we'll have 5th Egversary, with another online event focused on future of Proof-of-Work and next 5 years of Ergo ecosystem growth
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@chepurnoy
Alex Chepurnoy
1 year
Sold my first options on . Better to understand them via experiments. Group to discuss SigmaO
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