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Not enough people actually understand what Cardano Community's Hydra L2 actually is... - Put simply, Hydra is an L2 scaling network built directly on top of $ADA. - It works by opening offchain 'mini ledgers' called 'Hydra Heads'. - Txns occur within these Heads off the main chain without...

39,250 Aufrufe • vor 4 Tagen •via X (Twitter)

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Self Disclosure Privacy using ZK Proofs, Demonstrated & Executed Directly on Cardano Preview I built a demo where a customer buys a beer and proves they are 18 or over, without ever showing their ID. No name. No birth year. No photo. Just maths. Two beers were ordered. Two separate transactions. The same proof, reused, no re-verification needed. The blockchain recorded "age verified" both times. That's all it knows. No name. No address. No date of birth. No photo. No personal data of any kind. This runs entirely and directly on Cardano. No sidechains. No L2s. No off-chain verification. The ZK proof is checked by the Plutus V3 validator itself, on-chain, using Groth16. And this isn't just for bars, it works for shops, website signups, any age-restricted service. One credential, reused anywhere. Self disclosure means you choose what to share, and in this case, the customer chose to share nothing except "yes, I'm old enough, give me a nice cold beer." 🍺 Massive shout out to everybody involved in the below! Aiken smart contract language on Cardano (please don't judge my Aiken... I know it's bad 😂) ak-381 by Modulo-P, Groth16 SNARK verification library for BLS12-381 on Aiken Circom + snarkjs, ZK circuit design and proof generation MeshSDK, transaction building and wallet management Blockfrost, blockchain data provider A basic demo to set the stage for further privacy enhancements that can occur directly on Cardano. Self disclosure privacy on Cardano Cheers Cardano 🍻🍻 Beer 1 Beer 2

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21,523 Aufrufe • vor 4 Monaten

ADI Chain Mainnet and $ADI are now live. A new era of institutional blockchain starts today. From day one, $ADI is listed on Kraken, KuCoin, and Crypto.com, and soon on etoro, ensuring global accessibility and liquidity as the network scales. The token is also available through Wallet in Telegram, enabling users to manage $ADI directly within the Telegram app, as well as Fasset, the global banking and investment platform. $ADI is the native gas token powering all transactions across ADI Chain's L2 and customizable L3 domains, covering fees, smart-contract execution, and settlement across the network – enabling efficient, compliant infrastructure for stablecoins and real-world asset tokenization. Notably, ADI Chain will host the UAE's dirham-backed stablecoin being developed by First Abu Dhabi Bank and IHC, laying the foundation for a broader, multi-currency ecosystem of sovereign stablecoins. Built on ZKsync's Atlas and Airbender stack, ADI Chain delivers a compliance-ready framework for real-world, regulated digital infrastructure. It enables jurisdiction-specific L3 domains with optionally built-in KYC/AML, privacy controls, and programmable governance, all while remaining fully interoperable. Backed by 50+ government and enterprise projects across 20+ countries – including partnerships with Abu Dhabi Real Estate Centre - مركز أبوظبي العقاري for real-estate tokenization and Emirates Driving for blockchain-based solutions – the network launches with real-world adoption already in motion. With 500 million people already within its reach and a roadmap to bring 1 billion people onchain by 2030, ADI Chain is positioned for institutional-grade scale. That's Different.

ADI Chain

320,991 Aufrufe • vor 8 Monaten

SCAMMER ALERT!!! FIRST OF ALL IT WAS THE REAL ACCOUNT, NOT IMPERSONATOR. MAX RETWEET TO GET HIS ASS WHOOPED! I would like to share with my friend an experience about a deal he wanted to make with the famous guy named Hydra! 300k$ inventory scammer? What’s your opinion on it? Today my close friend M1nato m1nato tried to deal with a guy whose nickname is Hydra by selling him a karambit blue gem 828 WW for 6k$ This guy “Hydra” asked him to give m1nato’s discord so he can call him. After that they had a very interesting conversation. First, Hydra said he don’t want to use any middleman in the deal because he doesn’t trust to any but he said that's OK to send money first BUT there was one interesting thing, Hydra’s said : “I will send you money first but you have to send the karambit after that, when you got a money then I will accept the trade” He then started sending screenshots as proof of his transaction. He said that he uses metamask and can only send ETH. M1nato gave him his ETH address, and Hydra said that the money had been sent and provided his screenshots as proof. After m1nato said that there were no "in progress" transactions or anything like that in his wallet, Hydra started saying "I didn't send you money, my friend did" and after that he added his friend to voice call. and he began sharing screenshots of “evidence” of the transaction. But m1nato asked for a link of ETH transaction (he asked to click on that chrome extension > activity > and then click on the transaction but it was not clickable at all) Then m1nato asked to copy his ETH address on the top of extension and WOW it was also not clickable xD Besides he sent this address MX5odFuBiDcGy1fbo6mHoeJAebJaUi5jbG and told it’s ETH and when m1nato asked to explain that because ETH address starts with 0x…. he had nothing to say And the one more thing that was strange to m1nato: he has 15.9 ETH in his balance (which is ~$49,700), but only shows $9,350. After that m1nato asked to explain everything, but Hydra began to say : “You are scammer! I will report you! I didn’t expect that Ukrainian can be such a rat”. Hydra originally from Georgia. And also that the second Hydra account was banned by Steamrep and when m1nato said to explain, Hydra started saying that this was not his account. He said : "This is my friend's account" , and he just asked him if he could put the same nickname. He already bought it with this ban. BUT after about 10 minutes he probably forgot what he said and said his friend got banned by SteamRep due to a skeleton blue gem scam that someone already tweeted about) After all he deleted and blocked m1nato on Steam and Discord. Now guys you know the situation and I'm asking you to be careful with this guy! Would appreciate if you can report one and another account. Here is his links for both accounts : (account where Skeleton blue gem got scammed from) Proofs below:

Arkasha ​🇺🇦

57,640 Aufrufe • vor 2 Jahren

Hello Cardano community! We are DeltaDeFi, we are here to connect liquidity across the CeFi and DeFi worlds, bringing more CeFi liquidity and trading activities to Cardano💙 To understand why we do what we do, let's first look at Cardano's DeFi history and evolution. Since Alonzo in late 2021, Cardano smart contract capability has been officially live. We faced a period of struggle implementing AMM DEX due to the technical difference between the eUTxO model and the account-based blockchain model. Thanks to early pioneers like Minswap Labs, Sundae Labs 🍨 etc, batcher was then introduced as a solution making the AMM model possible on Cardano. Still, scalability is a bottleneck for Cardano DEX. Then it came to the Vasil hardfork in late 2022, which introduced inline datum, reference script, and reference input. In short, these are all upgrades enabling more efficient smart contracts. Cardano DeFi performance is boosted with examples like the latest Minswap V2, and Sundae V3. Where we are at today in terms of Cardano DeFi - the technology is ready, but the liquidity issue is the next challenge under the spotlight. The DApp utilization of Cardano is in general lower than other L1s as hinted by multiple metrics such as trading volumes and TVL, it hinders the growth of Cardano ecosystem in general. To solve it, we want to bring external liquidity, and we are looking at CeFi liquidity on centralized exchanges. We plan to onboard CeFi traders and bring them to trade on-chain in Cardano. CeFi here is defined as crypto-ready users conducting their trade in centralized exchanges. The daily trading volume of $ADA at the current price amounts to ~250m USD, with only around 1% happening natively on the Cardano blockchain and the rest happening in CEXes such as Binance. Even if we only onboard a further 1% of that trading volume onto Cardano. There’s already 2X of current liquidity! The $ADA volume is only less than 1% of total CeFi market. Massive opportunities ahead! How do we bring CeFi liquidity on-chain? What do the CeFi traders care about the most? The current biggest challenge for CeFi traders is fund safety. With the collapses of FTX, BlockFi, CeFi traders suffered significant losses of their assets, amounting to 46 billion USD. Unsurprisingly, CeFi liquidity is in search of a solution without platform risk, at the same time, they still want a similar experience with trading on centralized exchanges. TLDR: CeFi liquidity is looking for CeFi trading experience with enhanced fund safety That is why we are building DeltaDeFi to onboard CeFi liquidity, and here's how we are doing it: 🔷 1. Zero order management fee (zero transaction fee placing and canceling orders), transaction fees only occur when your order is matched - In CeFi, traders place multiple orders and cancel multiple orders within a second when they receive market signals from their proprietary sources. Even 0.01 ADA charged on each action makes their trades cost-prohibitive. 🔷 2. Instant order confirmation - DeltaDeFi also makes high-frequency trading (HFT) possible, where a trading pattern could make profits out of 5bps of price advantage. That’s why it is crucial to confirm the trades at the time of signing the transaction so that their 5bps profit margin strategy would not be affected by the market price movement in the next second. 🔷 3. Programmatic access - Programmatic access enables CEFI traders to deploy customized trading strategies, including HFT. to the platform, accompanied by the 2 features above. 🔷 4. Everything non-custodial - On top of all the features CeFi liquidity requesting above, trading on DeltaDeFi is fully non-custodial - it means our platform cannot move any of our users’ funds with their private key signing on the transactions, compared to CEXes controlling their assets. All the features above satisfy the needs of CeFi to trade on Cardano. 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DeltaDeFi

14,954 Aufrufe • vor 2 Jahren

I have been building a visualisation platform that maps activity across Cardano. The objective is simple. Transparency. When information is clear and accessible it strengthens the entire ecosystem. The platform is already showing how powerful that visibility can be and it continues to improve as more data is integrated. I have successfully traced the direction of genesis funds across the blockchain end to end. The focus of the work however has increasingly turned toward Emurgo and will continue to target Emurgo.. Whether I release the tool publicly is still something I am considering carefully. In the past I built AI systems over Cardano data and chose not to release them. The reason was simple. I did not want something powerful to be turned into a weapon that hunts for minor negatives inside what is otherwise one of the most important technological and innovative blockchains built in this space, and a result of years of hard work. I have no interest in fuelling drama. My intention has always been to present Cardano for what it actually is. A blockchain built through years of research and engineering, driven by the founding entities IOHK and the Cardano Foundation, and supported by people who genuinely care about the system including Charles and many others who have given years of effort to build it. That remains true regardless of some recent comments directed toward me in spaces. Those were disappointing, and did actually upset me being completely honest, also they missed the wider context of what I have been doing and I feel discounted my care for Cardano. However transparency works both ways. I will not ignore behaviour that undermines the principles Cardano governance is supposed to protect. Emurgo, a founding entity, is accumulating a rapidly increasing share of voting power through Yoroi DRep delegations. Many users appear completely unaware that this is happening. The interface suggests things along the lines of gaining rewards by delegating voting power to Yoroi as a DRep. What many users do not realise is that they are delegating governance influence directly to the same organisation that operates the wallet ,and worst still think they need to delegate to Yoroi to get their ADA rewards! I have received countless direct messages from affected users who did not understand what they had delegated. In several cases language barriers appear to make the situation worse, particularly for users outside the English speaking community. At present Yoroi and Emurgo, which are effectively the same entity in this context, represent roughly 17 percent of all voting power. That share is rising quickly. Based on the recent rate of growth it is not unreasonable to see this exceeding 50 percent within a few years if nothing changes. Governance concentration on that scale is not healthy for a system designed around distributed decision making. Cardano’s credibility depends on users understanding where their voting power sits and being able to move it freely to representatives who actually reflect their interests. The goal of the platform was never to show how much a founding entity spent or to cause drama. The goal was to show the decisions a founding entity made and how those decisions shaped the blockchain in an era of governance

Dave

17,020 Aufrufe • vor 5 Monaten

Polkadot ran a major stress test, Spammening, in December 2024 to prove its infra can handle extreme txn loads in a live environment with real economic stakes. The result was 143K TPS, using just 23% of the network’s capacity. But the elephant in the room—does anyone outside of Polkadot even care. TPS is a tricky metric, especially today. Polkadot is a heterogeneous sharded blockchain and was used to be referred as layer 0. Essentially designed to orchestrate multiple chains in parallel, not maximize base layer txns. Therefore fundamentally it isn’t built for single-chain TPS races, but for very high throughput across multiple chains. So Polkadot’s TPS doesn’t compare neatly to monolithic chains, and that led to it staying out of TPS-focused optics in the past. As a result, it’s often misunderstood or seen as slow by this metric. And today, Polkadot has shifted from a chain-centric approach to a blockspace-centric one. It’s no longer about chains but about blockspace and cores—operating much like your multi-core computer. Aka, a chain can eat multiple cores if it needs more throughput. This is called Elastic scaling. With JAM and Elastic scaling, blocks can actually be split into chunks and validated in parallel, allowing the network’s parallel processing to directly impact single-state throughput. Reminder that this Elastic scaling is already live on Kusama and will be coming to Polkadot next quarter. Now, Justin Bons and @0xBreadguy argue that any sharded system can claim millions of TPS, but that doesn’t mean anything as it doesn’t happen within a single state—not equivalent to atomic composability. So, for this time, I’m tossing it to the gigabrains. Do they have a point, or is there more to consider. Shawn Tabrizi Gavin Wood rphmeier

goku

16,687 Aufrufe • vor 1 Jahr

Cardano Tech Summit Buenos Aires 2025 and the regional LATAM Hackathon were much more than an event , they were a celebration of the samurai spirit of the Cardano community in LATAM 🥷⚔️ We want to express our deep gratitude to Cardano Foundation ,the web3innovationnerds , and Intersect for making this LATAM regional event possible and for supporting education and ecosystem growth in our region. We were honored to host key leaders, institutions, and projects from across the region and the global ecosystem, including representatives from UN Development, UBA (CUENTA OFICIAL) (Dean Guillermo (Willy) Durán), UTN Buenos Aires (Dean Guillermo J. Oliveto), the CEO of Blockchain.RIO, LABITCONF, Rafael Fraga, Jack B, Easton Evans, David Casey, Cardano Feed ($ADA), Funintec Venezuela, GovChainLab, @DanielaHubBr, Mauricio Navarrete R, Juan TheOne, Carlos Lopez de Lara, Santiago Carmuega, Fede | TxPipe.io | 🧉, Martin Rivero, Modulo-p, Cointelegraph en Español, as well as projects and organizations such as lace.io, Midnight Foundation, TxPipe, Fairgate, @Tokenmithr, Sead,GameChanger Wallet, ExuraLabs, Edda Labs, KW₳RXS, Jotape | CTimelines.io, De Desciquark a Synthum, Potion Tools Collective, SenseiNode, Funding the Commons, among many others who contributed with content, workshops, presentations and community energy. Highlights included a simultaneous chess exhibition led by a female Olympic player, 3 HYDRA machines running live, MANDALORIAN for midnight privacy, workshops about MIDNIGHT, Intersect VISION 2030, Txpipe , and 7 technical talks, and the inauguration of the Laboratory of Decentralized Computing and Digital Trust by IO Research , with an academic track on verifiable computation, zkVMs, private verifiable computation and MPC mythbusting. The entire event was designed around a Japanese theme, honoring Cardano’s origins in Japan and the warrior spirit of the builders who completed the IOG-led course and hackathon :Hackathon prizes of 10,000 USD, awarded together with katanas in three categories: black, red, and white 🥷 • Taiko performances, Kendo demonstrations, and a Japanese food experience with Dorayaki (traditional Japanese sweet) and sushi for attendees • Special merch: a Japanese-style mate, symbolizing the cultural bridge between Japan, Argentina, and LATAM We want to thank Charles Hoskinson and J.J. Siler for making the inauguration of the Laboratory of Decentralized Computing and Digital Trust at the Summit possible. Huge thanks as well to the four instructors of the Hackathon and Developers course – Roberto, kada Chaires, J₳MS and Antonio Ibarra – and to ADA DOG POOL (ticker: DOG) and CHIL Stake Pool - Rodrigo, who did an amazing job as Masters of Ceremony for the Summit. Finally, a very special thank you to Cardano Foundation’s Marketing Director Laura M. and Elis Moormaa for their constant support and attention to every detail of the event. 🙌 To every participant, speaker, volunteer, sponsor, and project: thank you for making this possible – this video is just a glimpse of what Cardano in LATAM is becoming. 🚀 #CardanoCommunity #CardanoSummit2025 Cardano Community Cardano CommunitySummit

ADA Solar

14,565 Aufrufe • vor 8 Monaten

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JA

52,350 Aufrufe • vor 7 Monaten