How the new eCash Indexer Empowers Devs and Transforms UXThe idea of integrating an efficient indexing solution directly into the node software has preoccupied developers’ minds within the Bitcoin space for quite some time. While a direct integration is still waiting to happen on Bitcoin, various third-party indexers have been built within the ecosystem all with their own quirks, strengths, and limitations.Now, however, eCash is happy to announce that it has built the unthinkable: Chronik, a lightning-fast and reliable indexer built directly into the Bitcoin ABC node. Let’s dig into what that means.<h2>How Chronik came to be</h2><a target="_blank" rel="noopener noreferrer" href="https://www.raipay.co/">RaiPay</a> Founder <a target="_blank" rel="noopener noreferrer" href="https://twitter.com/TobiasRuck">@TobiasRuck</a>, a long-standing Bitcoin developer and someone who loves to tinker with low-level infrastructure as much as he loves to build apps, also decided to build an indexer to suit his business needs. Chronik was first applied as the backbone of <a target="_blank" rel="noopener noreferrer" href="https://getstamp.io/whitepaper.pdf">Cashweb/Stamp</a>, a decentralized web3 social media and messaging protocol developed by Shammah Chancellor, which unbeknownst to many, also partially inspired the Nostr protocol. The lightweight NNG (standalone) version of Chronik would be easy to operate and work reliably at scale with super speeds, which is exactly what is needed when building apps on a high-throughput network like eCash.Soon thereafter, Cashtab lead dev <a target="_blank" rel="noopener noreferrer" href="https://twitter.com/BytesOfMan">@bytesofman</a> would see the benefits of Chronik over outdated tools in the Bitcoin ecosystem and shift over his apps piece by piece to use it as well. The eCash block explorer, faucets, and Telegram bots like the Address Watcher, eCash Herald, or eCash Dice quickly emerged, highlighting the user-friendliness of the new indexer. With this well-functioning standalone version, Tobias proposed to further develop and optimize Chronik as the reference indexer for <a target="_blank" rel="noopener noreferrer" href="https://bitcoinabc.org/">Bitcoin ABC</a>, and engineers at eCash agreed under the condition that it has to be integrated directly into the node, committing to deliver a built-in indexing solution many developers were always longing for.Recognizing the potential, the <a target="_blank" rel="noopener noreferrer" href="https://e.cash/blog/ecashs-gnc-approves-chronik-indexer-project">Global Network Council (GNC) greenlighted the Chronik project</a> in 2022. Developments continued in close communications with the eCash team, fine-tuning the software according to their feedback and polishing it into excellence. Fast forward to today, we celebrate the full integration of Chronik into the Bitcoin ABC node software, marking a historic moment for eCash, and potentially the wider crypto-ecosystem.Now, it didn’t make Tobias millions (yet), but if an equally complex software were built in the IT industry today, it would have cost around $1,000,000 under normal circumstances. And yet, we think that the potential value that Chronik brings to the space is even greater.So what’s the big deal about it? Let's get an overview of its technology under the hood to learn more about the benefits of using Chronik and the exciting possibilities it unlocks.<h2>What is Chronik?</h2>Chronik is a powerful blockchain indexer specifically designed for eCash. It acts like a search engine for the eCash blockchain, making it easier and faster for applications to find specific information within the vast amount of data stored on the chain. An indexer is a critical piece of infrastructure that other services (such as wallets and explorers) are built on top of. Despite having eCash as its first-class citizen, Chronik can also easily work with other chains that are based on the original Bitcoin Satoshi client, such as BTC, LTC, BCH, DASH, or DOGE. This could potentially make Chronik a common standard for most UTXO chains. There have already been some promising experiments in this area.<figure class="image"><img src="https://strapi.fabien.cash/uploads/G_Hq7ixm_XAA_At_Nqm_1ef8bfda8f.png"></figure>In general, every project can benefit from integrating Chronik, and some desperately need it. Today, just because it is easy to use, efficient, fast, and robust. But even more so looking into the future, when now-established indexers won't be able to work at a larger scale. With Chronik going live, we see significant value delivered for eCash and also for the wider ecosystem if it establishes itself as a de-facto standard for all Bitcoin-like networks.<h2>Technical Overview: How is Chronik better?</h2><figure class="image"><img src="https://strapi.fabien.cash/uploads/Chronik_Promo_53da3e00f2.jpg"></figure>Previous third-party indexers used in the Bitcoin space were either hard to use, inefficient, or unreliable. While some may still hold up, most are unfit for the job. Chronik on the other hand is introducing simpler logic and reducing workload for a significantly more robust and easy-to-use service.It operates at super speeds due to its efficient code written in Rust, utilization of a rapid key-value store called RocksDB, which is being developed by Facebook, and a smart architecture that fetches data directly from the node. This allows for a faster, cheaper, and more reliable indexing process, which also streamlines the developer experience.&nbsp;Another benefit of Chronik being written in Rust is that it’s a <a target="_blank" rel="noopener noreferrer" href="https://www.infoworld.com/article/3713203/white-house-urges-developers-to-dump-c-and-c.html">memory-safe language</a>, which means developers can contribute to Chronik and add features/optimizations more easily, without the risk of introducing critical security vulnerabilities.In addition, the Chronik indexer is designed to be forward-looking and upgradeable, making it well-suited to the long-term goals of building a reliable reference indexer, providing first-class <a target="_blank" rel="noopener noreferrer" href="https://avalanche.cash/">Avalanche</a> support, and making the integration of new protocols as easy as possible. Here are four major ways Chronik empowers developers:<ul><li>Faster Development: With a clean and easy-to-use API and higher capacity, developers can focus on <a target="_blank" rel="noopener noreferrer" href="https://e.cash/build">building apps</a>, not working around indexer bugs and limitations.</li><li>Enhanced User Experience: Chronik facilitates smoother and faster access to information on the blockchain, leading to a more user-friendly experience for everyone interacting with eCash.</li><li>Improved Products: Chronik’s capacity, functionality, and efficiency pave the way for developing innovative new products and services on the eCash blockchain.</li><li>Efficient use of Storage Space: No need to store the same data twice, as Chronik can directly access the node’s block and transaction data.</li></ul><h2>The eCash Advantage: Node-Integration</h2>More game-changing improvements come with <a target="_blank" rel="noopener noreferrer" href="https://mengerian.medium.com/why-i-am-excited-about-the-ecash-chronik-project-1401b945eb21">Chronik's direct integration into the node software</a>. A built-in indexing solution like this eliminates the following:<ul><li>Handling separate software: Developers only need to manage the <a target="_blank" rel="noopener noreferrer" href="https://bitcoinabc.org/">Bitcoin ABC node</a> as one binary, simplifying processes, especially for DevOps.</li><li>Potential inconsistencies: Combining node and indexer functionalities synchronizes the system, reducing the risk of errors and version incompatibilities you would get running two distinct pieces of software.</li><li>Serialization/Deserialization process: There is no expensive serialization/deserialization of transactions necessary, as memory is shared between Chronik and the node.</li><li>Dependencies: No dependencies are needed, beyond installing Rust, making for an easy build.</li></ul><h2>Empowering the eCash Ecosystem: A Look at Chronik's Impact</h2><figure class="image"><img src="https://strapi.fabien.cash/uploads/Building_on_e_Cash_4342183b30.png"></figure>By establishing a more efficient and user-friendly foundation, Chronik benefits the entire ecosystem:<ul><li>Improved User Experience: Real-time search and retrieval capabilities translate to a smoother experience across all applications.</li><li>Enhanced Scalability: An efficient design allows the ecosystem to handle growing data volumes more effectively.</li><li>Built-in eToken support: eToken indexing is enabled in Chronik by default, making it easy for services like exchanges or wallets to integrate your favorite eTokens.</li></ul><h2>Chronik in Action: Real-World Benefits</h2><a target="_blank" rel="noopener noreferrer" href="https://e.cash/blog/how-chronik-indexer-improves-cashtab-wallet">Immediate Cashtab impact:</a><ul><li>Instant Transaction Notifications: Chronik's WebSocket interface enables instant notifications, eliminating delays and uncertainty for users. Notifications can be enhanced to show message data, token type, and other chronik-indexed information.</li><li>Enhanced Transaction History: Faster load times and built-in pagination allow Cashtab to render more transactions and more information about each transaction, including Avalanche finalization status.</li><li>Efficient All-in-One Backend: Chronik’s improved token indexing allows Cashtab to support multiple token formats, including NFTs.</li></ul><h2>The Road to a Viable CBDC Alternative</h2>The development of Chronik is a collaborative effort between Bitcoin ABC, the GNC, and the expert engineering of Tobias and his RaiPay team. This project aligns with eCash's ultimate goal of operating at a mass scale and providing a viable, decentralized alternative to Central Bank Digital Currencies (CBDCs).By fostering a robust development environment and facilitating the creation of user-centric applications, Chronik plays a crucial role in achieving this vision. With Chronik now fully integrated, the eCash ecosystem is poised for significant growth and innovation in the years to come.

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eCash is happy to announce that it has built the unthinkable: Chronik, a lightning-fast and reliable indexer built directly into the Bitcoin ABC node.

Unleashing Chronik: A Million Dollar Crypto-Infrastructure

Introducing CashFusion for eCash, a powerful and simple-to-use privacy protocol. CashFusion is now accessible as an opt-in privacy feature built directly into the Electrum ABC wallet, allowing users to obfuscate the origin and destination of their eCash (XEC) transactions.<h2>What is CashFusion and How Does it Work?</h2>CashFusion is a non-custodial privacy protocol. Unlike coin mixing services that directly swap coins, CashFusion works by shuffling multiple eCash coins together. A simple analogy would go like this: Imagine a group of people coming together to put their eCash coins into a large, anonymized pool to mix them up. Then, everyone takes out their share of coins again, obfuscating their coin’s traces in the process. This is a fully non-custodial way to achieve <a target="_blank" rel="noopener noreferrer" href="https://bubblerboy.medium.com/is-cashfusion-really-anonymous-352164a071c2">pretty good privacy</a> on top of a transparent blockchain. Due to eCash’s sub-cent fee environment, this solution is also super feasible, enough for multiple rounds of fusing!Here's how CashFusion achieves transaction privacy in more detail:<ul><li>Combining Inputs and Outputs: CashFusion automatically creates transactions with other users. These transactions combine all participants' XEC inputs and outputs, effectively breaking the link between where the funds came from and where they are going.</li><li>Jumbo-Sized Shuffling: CashFusion shuffles these combined XEC transactions, but with a twist. Instead of individual transactions, it creates massive, "jumbo-sized" transactions that encompass all the participants' inputs and outputs. This significantly increases the number of possible combinations within the shuffled transaction.</li><li>Breaking the Trace: Due to the astronomical number of possible input/output combinations within these large XEC transactions, it becomes essentially impossible for anyone to track which specific inputs originated from your wallet and which outputs were sent back to you. This effectively disrupts the chain of information and obscures the flow of funds.</li><li>Tor Network Integration: An extra layer of anonymity comes from CashFusion's use of the Tor network. Tor anonymizes communication between users by hiding their IP addresses. This prevents the server from potentially linking transaction components based on IP information, further enhancing user privacy.</li></ul>Once your coins have been through one or more Fusion transactions, they are considered "fused" and can be freely spent without the privacy concerns associated with a transparent blockchain. Note that the transaction will still be publicly visible, but it’ll be virtually impossible to trace it back to your wallet.<figure class="image image_resized" style="width:72.07%;"><img src="https://strapi.fabien.cash/uploads/e_Cash_Fusion_GIF_44a5b3de25.gif"></figure><h2>CashFusion Use-cases</h2>CashFusion gives users control over their privacy. They can choose when to use it for enhanced confidentiality. For example, if someone is paid in XEC and then goes to make a retail purchase, they may not want the retailer to be able to see their salary payments. CashFusion helps to obfuscate this link to their private wallet address. Similarly, businesses using eCash for payments can benefit from CashFusion, as it can help prevent competitors from easily seeing all of their transactions with suppliers and customers.<h2>How to Use CashFusion for XEC coins?</h2>Currently, CashFusion is available for use with the Electrum ABC and StackWallet (3rd-party) <a target="_blank" rel="noopener noreferrer" href="https://e.cash/wallets">eCash wallets</a>. We expect compatibility to expand to more wallets in the future. To fuse your XEC coins, simply follow the instructions below.<figure class="image"><img src="https://strapi.fabien.cash/uploads/Electrum_ABC_Wallet_3f17f72314.jpg"></figure>Step #1: <a target="_blank" rel="noopener noreferrer" href="https://www.bitcoinabc.org/electrum/">Download the Electrum ABC eCash wallet</a> for your Windows, MacOS, or Linux operating system.<figure class="image"><img src="https://strapi.fabien.cash/uploads/Enabling_Cash_Fusion_Electrum_ABC_f37245968a.jpg"></figure>Step #2: Click the CashFusion icon in the lower right corner to activate it. If prompted to download Tor, click ‘Yes’ to download and install Tor. Now CashFusion works silently in the background. To ensure maximum privacy for all your transactions, it's recommended to keep your wallet open until your coins are fused. You can also <a target="_blank" rel="noopener noreferrer" href="https://e.cash/blog/how-to-run-cash-fusion-remotely">use Electrum ABC with CashFusion on daemon mode</a>, making it convenient to leave it “always on”, and easy to run on a remote server.<figure class="image"><img src="https://strapi.fabien.cash/uploads/Spend_Fused_Coins_Only_33dbd59fd7.jpg"></figure>Step #3: After going through CashFusion, your coins are ready to spend whenever you need them. To retain your privacy, activate the checkmark on “spend only fused coins”.<h2>CashFusion and a More Private eCash</h2>CashFusion now has stable liquidity and regular fusions taking place, fulfilling a key milestone in the eCash Usability Roadmap. The protocol’s innovative technology offers a valuable layer of anonymity, benefiting both business owners seeking to shield financial activities and individuals prioritizing transaction privacy. We're excited to see how CashFusion strengthens the eCash ecosystem.<h2>The Future of Privacy on eCash: Zero-Knowledge Subnet</h2>Privacy is fundamental to sound money, and eCash’s commitment to user privacy extends beyond CashFusion. Part of the <a target="_blank" rel="noopener noreferrer" href="https://e.cash/roadmap">eCash roadmap</a> is to develop a Zero-Knowledge Subnet (ZK-Subnet). This cutting-edge technology will offer users optional, bulletproof privacy on par with top privacy coins. With a ZK-Subnet, users can flexibly choose the level of privacy that best suits their needs. Pushing fully anonymous ZK transactions on an optional subnet also keeps the base protocol fully compliant, as a publicly transparent blockchain.This tiered approach provides a comprehensive privacy solution for eCash. CashFusion offers a convenient and accessible option for everyday use, while a future ZK-Subnet caters to those requiring the strongest possible anonymity. This combination empowers users and positions eCash as a leader in user-centric privacy features within the cryptocurrency landscape.

Opt-In Privacy: A CashFusion Guide for eCash

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CashFusion is now accessible as an opt-in privacy feature built directly into the Electrum ABC wallet, allowing users to obfuscate the origin and destination of their XEC transactions.

📣 Time to recap!Catch up on all the latest eCash dev updates, news, and community highlights from March. Don't miss out! 👇<h2>🌟 Key Highlights - Cashtab Wallet</h2>✅ Improved onboarding for new users⚡️ Smoother transaction sending and instant transaction notifications📱 New drop-down menu for faster wallet switching🪂 eToken airdrop calculator performance improved🎨 Misc UI/UX improvements📝 New Guide: <a target="_blank" rel="noopener noreferrer" href="https://e.cash/blog/how-to-create-an-ecash-xec-wallet">How to Create an eCash (XEC) Wallet</a><h2>🌟 Key Highlights - Bitcoin ABC Node Software</h2>🛠💻 Bitcoin ABC releases version 0.28.11 making the Chronik indexer (experimental) sync much faster! ⚡🛠💻 Bitcoin ABC releases version 0.28.12 bringing some performance and RPC improvements. 🛠️➡️ Download it here: <a target="_blank" rel="noopener noreferrer" href="https://bitcoinabc.org/releases/">https://bitcoinabc.org/releases/</a>&nbsp;<h2>🌟 Key Highlights - Electrum ABC Wallet</h2>CashFusion⚛️ is now accessible as an opt-in privacy feature built directly into the Electrum ABC eCash wallet. ✅ℹ️ Learn more: <a target="_blank" rel="noopener noreferrer" href="https://e.cash/blog/opt-in-privacy-a-cash-fusion-guide-for-ecash">Opt-In Privacy: A CashFusion Guide for eCash</a><h2>✨ eCash Avalanche Network Overview</h2><figure class="image"><img src="https://strapi.fabien.cash/uploads/e_Cash_Avalanche_Network_Stats_March_2024_5d7803b924.jpg"></figure>Total Staked: 231.2B XEC Number of Nodes: 91 Number of Peers: 71<a target="_blank" rel="noopener noreferrer" href="https://avalanche.cash">https://avalanche.cash</a><h2>🌟 Key Highlights - eCash Ecosystem</h2>A new ecosystem app allowing users to stake XEC and earn rewards without running a node was launched.🔗 <a target="_blank" rel="noopener noreferrer" href="https://ecashstaking.com">https://ecashstaking.com</a>🚀 PayButton releases version 3.0.1 with updates to the button example page for developers, updates to have hover-text option work with widgets, fixing redundant currency symbols, &amp; including misc code refactoring. 🔥🔗 <a target="_blank" rel="noopener noreferrer" href="https://github.com/PayButton/paybutton/releases/tag/3.0.1">https://github.com/PayButton/paybutton/releases/tag/3.0.1</a>&nbsp;🤝 <a target="_blank" rel="noopener noreferrer" href="https://3xpl.com/ecash">3xpl</a> integrated eCash (XEC)! 🎉🔗 <a target="_blank" rel="noopener noreferrer" href="https://twitter.com/eCashOfficial/status/1767196320480084306">https://twitter.com/eCashOfficial/status/1767196320480084306</a>&nbsp;🤝 <a target="_blank" rel="noopener noreferrer" href="https://trade.cex.io/terminal/spot/XEC-USDT">CEX.IO</a> exchange listed eCash (XEC)! 🔥🚀🔗 <a target="_blank" rel="noopener noreferrer" href="https://twitter.com/eCashOfficial/status/1770986813080965240">https://twitter.com/eCashOfficial/status/1770986813080965240</a>&nbsp;📣 <a target="_blank" rel="noopener noreferrer" href="https://chainspect.app/chain/ecash">Chainspect</a> app integrated eCash! 🔥🔗 <a target="_blank" rel="noopener noreferrer" href="https://twitter.com/eCashOfficial/status/1773727510313722290">https://twitter.com/eCashOfficial/status/1773727510313722290</a><h2>🌟 Key Highlights - News/Media 🗞️</h2>🗞️ LetsExchange.io: “A Closer Look at eCash (XEC): Revolutionizing Digital Transactions”📝 <a target="_blank" rel="noopener noreferrer" href="https://letsexchange.io/blog/a-closer-look-at-ecash-xec-revolutionizing-digital-transactions/">https://letsexchange.io/blog/a-closer-look-at-ecash-xec-revolutionizing-digital-transactions/</a>⌛ Less than 13 days left until <a target="_blank" rel="noopener noreferrer" href="https://ecash.supply/">eCash Reward Halving</a> ✅Binance has reduced eCash withdrawal fees from 1000 XEC to 280 XEC 👏 🎯 <a target="_blank" rel="noopener noreferrer" href="https://scorecard.cash/exchange/binance">https://scorecard.cash/exchange/binance</a>📈 eCash ranks as one of the Weekly Top Gainers on CoinMarketCap 🚀🔗 <a target="_blank" rel="noopener noreferrer" href="https://twitter.com/CoinMarketCap/status/1773198329477738518">https://twitter.com/CoinMarketCap/status/1773198329477738518</a><h2>🌟 Key Highlights - Community &amp; Milestones</h2>🥳 Our official CoinMarketCap hit an incredible milestone of 70,000+ followers 🔥📲 <a target="_blank" rel="noopener noreferrer" href="https://coinmarketcap.com/community/profile/eCash">https://coinmarketcap.com/community/profile/eCash</a>🎯 eCash Army Panel developed by Peishan was launched 🔗 <a target="_blank" rel="noopener noreferrer" href="https://www.ecash.army">https://www.ecash.army</a>That wraps up this month! 🙌🤟 eCash Army, don't forget to follow and join our official social media accounts and community groups for more updates! ⤵️<a target="_blank" rel="noopener noreferrer" href="https://ecash.community">https://ecash.community</a>

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Catch up on all the latest eCash dev updates, news, and community highlights from March. Don't miss out!

eCash Monthly Recap - March 2024
eCash Monthly Recap - March 2024
eCash Monthly Recap - March 2024

🌟 Key Highlights - Cashtab Wallet

🌟 Key Highlights - Bitcoin ABC Node Software

🌟 Key Highlights - Electrum ABC Wallet

✨ eCash Avalanche Network Overview

🌟 Key Highlights - eCash Ecosystem

🌟 Key Highlights - News/Media 🗞️

🌟 Key Highlights - Community & Milestones

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Unleashing Chronik: A Million Dollar Crypto-Infrastructure

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🌟 Key Highlights - Cashtab Wallet

🌟 Key Highlights - Bitcoin ABC Node Software

🌟 Key Highlights - Electrum ABC Wallet

✨ eCash Avalanche Network Overview

🌟 Key Highlights - eCash Ecosystem

🌟 Key Highlights - News/Media 🗞️

🌟 Key Highlights - Community & Milestones

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