In 2020, a well-respected Polish engineer approached me with a problem that changed my career trajectory. Jakub Wojciechowski had been building at a New York hackathon. His product needed specific oracle data that simply didn't exist. The infrastructure gap was blocking him from launching. Most people would have pivoted or given up. Instead, we followed the problem. Poland's blockchain ecosystem was tiny then—maybe 50-100 serious builders total. But small ecosystems have advantages: problems spread fast, and solutions do too. Jakub saw what was coming: DeFi would explode beyond Ethereum. Dozens of chains would need oracle infrastructure. The monolithic approach wouldn't scale. That hackathon blocker became our RedStone Oracles thesis. Five years later: -Top 3 oracle provider globally -Supporting 110+ chains -Serving everyone from major banks to DeFi protocols -Recently solved a $500M value leakage problem affecting the entire industry The lesson isn't about oracles or crypto specifically. It's about following problems to their logical conclusion. When builders hit real infrastructure gaps, that's usually where the biggest opportunities hide. Don't just solve your immediate problem. Ask: "What does this tell us about where the entire system is heading?" Sometimes the thing blocking your hackathon project is actually the foundation of your next decade.
How a hackathon problem led to a global oracle provider
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🎉 Introducing Symphony: The First Fully Audited, Open Source Bitcoin Indexer The Bitcoin ecosystem has evolved, but infrastructure hasn’t kept up. Most indexers today are not production-grade, lacking the reliability and performance needed to power large-scale applications used by millions of users. That’s why we built Symphony, a fully audited, open source, and modular Bitcoin indexer designed from the ground up for scale, security, and extensibility. ✅ Modular by design: Supports Runes, Ordinals, BRC-20, and future metaprotocols. ✅ Natively mempool aware: Indexes transactions in real time, before block confirmation. ✅ Reorg protection: Automatically adjusts to chain rollbacks. ✅ Battle tested: Years of optimization powering Maestro’s platform with billions of API requests and over 100 production apps. ✅ Accelerated sync: Start from a trusted snapshot without needing to index from genesis. Symphony isn’t just another indexer. It’s the first Bitcoin indexer purpose-built to handle the demands of BitcoinFi and institutional-scale applications. By open sourcing Symphony, Maestro is giving the community direct access to infrastructure proven in production, establishing a secure foundation for the next wave of Bitcoin innovation. 📚 Blog: https://lnkd.in/gwTcDhh7 📓 Audit report: https://lnkd.in/gXEWFxHs
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Open source is now a big initiative for us. It enables us to get meaningful feedback from users, give back to the community and support compliance-driven environments.
🎉 Introducing Symphony: The First Fully Audited, Open Source Bitcoin Indexer The Bitcoin ecosystem has evolved, but infrastructure hasn’t kept up. Most indexers today are not production-grade, lacking the reliability and performance needed to power large-scale applications used by millions of users. That’s why we built Symphony, a fully audited, open source, and modular Bitcoin indexer designed from the ground up for scale, security, and extensibility. ✅ Modular by design: Supports Runes, Ordinals, BRC-20, and future metaprotocols. ✅ Natively mempool aware: Indexes transactions in real time, before block confirmation. ✅ Reorg protection: Automatically adjusts to chain rollbacks. ✅ Battle tested: Years of optimization powering Maestro’s platform with billions of API requests and over 100 production apps. ✅ Accelerated sync: Start from a trusted snapshot without needing to index from genesis. Symphony isn’t just another indexer. It’s the first Bitcoin indexer purpose-built to handle the demands of BitcoinFi and institutional-scale applications. By open sourcing Symphony, Maestro is giving the community direct access to infrastructure proven in production, establishing a secure foundation for the next wave of Bitcoin innovation. 📚 Blog: https://lnkd.in/gwTcDhh7 📓 Audit report: https://lnkd.in/gXEWFxHs
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🚀 𝐄𝐱𝐜𝐢𝐭𝐞𝐝 𝐭𝐨 𝐎𝐩𝐞𝐧 𝐒𝐨𝐮𝐫𝐜𝐞 𝐏𝐚𝐫𝐭 𝐨𝐟 𝐎𝐮𝐫 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐉𝐨𝐮𝐫𝐧𝐞𝐲! I'm thrilled to announce the release of KhodPay Wallet Libraries v0.2.0 - two production-ready Rust libraries that power cryptocurrency wallet development. 💡 The Story Behind This As part of our new blockchain startup, we've decided to open-source a critical piece of our infrastructure. We believe in contributing back to the community that has given us so much, and we're excited to share the tools we've built. 📦 What We're Releasing khodpay-bip39 - Mnemonic Code Generation The foundation of secure wallet creation with support for 12-24 word recovery phrases in 9 languages. Built with cryptographic security at its core. khodpay-bip32 - Hierarchical Deterministic Wallets Complete HD wallet implementation supporting modern standards (BIP44/49/84), watch-only wallets, and secure key derivation. 🔒 Built for Production - 707+ comprehensive tests - Zero unsafe code - Memory protection and zeroization - Validated against official Bitcoin specifications - Full documentation and examples 🎯 Why This Matters 🔒 Security First: Every line written with security in mind - ensuring reliability for real-world applications ⚡ Production Ready: Battle-tested and validated to meet the highest standards of cryptocurrency infrastructure 🌍 Community Driven: Open source means transparency, peer review, and collaborative improvement 📚 Developer Friendly: Complete documentation and integration guides to get you started quickly 🚀 Perfect For - Cryptocurrency exchanges and platforms - Wallet application developers - Hardware wallet integrations - Blockchain infrastructure projects - Web3 and DeFi applications 🙏 Our Commitment This is just the beginning. We're committed to maintaining these libraries, addressing issues, and continuously improving them based on community feedback. Your contributions, bug reports, and feature requests are more than welcome! 🔗 Get Started 📚 Documentation bip39: https://lnkd.in/d3cK8M6N 📚 Documentation bip32: https://lnkd.in/dgQ2G872 📖 GitHub: https://lnkd.in/dK4Z_f29 💬 Questions? Open an issue or start a discussion! Let's build the future of blockchain together! 🌟 #Blockchain #Cryptocurrency #OpenSource #Startup #Bitcoin #Web3 #Rust #WalletDevelopment #FinTech #Innovation #CryptoSecurity #DeveloperTools #BuildInPublic #TechStartup #KhodPay
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Author: Kiara Robles The innovation of the blockchain has solved many issues in the world of finance and payments, and Bitcoin achieved this without its own major intellectual breakthroughs. Bitcoin leveraged existing cryptography, public-key cryptography, hashing, peer to peer networks, to create a decentralized protocol of trustless fiduciary transfer. Today we live in a diverse ecosystem of blockchains, with several hundred blockchains all existing to serve different use cases. One of which is using a blockchain as a tool in solving the global identity crisis. Many of the top people in the self-sovereign identity space believe building out a new platform is the long term solution. I believe hierarchical deterministic keys may provide an immediate option for bootstrapping a blockchain identity with tools that already exist. Hierarchical deterministic (HD) keys are a type of deterministic bitcoin wallet derived from a known seed, that allow for the creation of child keys from the parent key. Because the child key is generated from a known seed there is a relationship between the child and parent keys that is invisible to anyone without that seed. The HD protocol (BIP 32) can generate a near infinite number of child keys from a deterministically-generated seed (chain code) from its parent, providing the functionality of being able to recreate those exact same child keys as long as you have the seed. In the context of the using the blockchain to transfer the value of bitcoin, HD keys are predominately used to simplify wallet backups. Because the child key can operate independently and the parent key has the ability to monitor and control each child key, that parent key can still continue to operate even if the child key is compromised. If we use a blockchain token to represent a person or an identity, instead of a financial value, the root HD key facilities the creation and control of an identity that can then create subsequent child identities or personas depending on the context of the identity use case. Fonte: https://lnkd.in/deX4fE6J
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Blockchain Technology in Computer Science Decentralized Systems A blockchain is a new way to manage data in computer science. It's a digital ledger that works on many computers at once. This makes it a decentralised system.Its design keeps records open and hard to change. Every transaction is added in order, making a permanent chain of data.Cryptography is key to keeping data safe. It uses strong encryption to protect records. This way, only verified people ca
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Blockchain Technology in Computer Science Decentralized Systems A blockchain is a new way to manage data in computer science. It's a digital ledger that works on many computers at once. This makes it a decentralised system.Its design keeps records open and hard to change. Every transaction is added in order, making a permanent chain of data.Cryptography is key to keeping data safe. It uses strong encryption to protect records. This way, only verified people ca
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Earlier today I had a session at the Lex Chain Boot Camp on “Understanding the Building Blocks of Blockchain.” We explored the fundamental concepts that underpin blockchain technology — moving beyond buzzwords to understand why it works and how its core components connect. Here are some key takeaways from the session: Distributed Ledger Technology (DLT) At the heart of blockchain lies DLT — a system for recording and synchronizing data across multiple locations without relying on a central authority. Distributed vs. Centralized Systems We examined how system architecture shapes trust and efficiency. In distributed systems, participants (nodes) interact directly, removing intermediaries and promoting transparency. Peer-to-Peer Networks Using examples like Napster, we discussed how P2P systems enable direct communication between users — a foundation that later supported decentralized financial and governance models. Consensus and Cryptography From hash functions to digital signatures, cryptographic techniques ensure identity, authentication, and immutability — while consensus mechanisms help nodes agree on valid transactions. Blockchain Structures We distinguished between public, private, permissioned, and permissionless blockchains — each balancing transparency, privacy, and control in different ways. Smart Contracts Originally conceptualized by Nick Szabo, smart contracts became practical through DLT. They are self-executing programs that automate transactions once certain conditions are met — from simple transfers to complex, multi-party arrangements. Decentralized Autonomous Organizations (DAOs) We explored how DAOs merge governance with code, enabling community-led decision-making without centralized management. Use Cases From land registries in Georgia to UNHCR’s humanitarian aid system, supply chain traceability, and DeFi, blockchain applications show how decentralization can promote efficiency, inclusion, and trust. It was a privilege to represent BlockLaw Consulting and to share my insights on this emerging technology. I also recognized the tremendous effort of the organizer: Sukurat M.Ajagbe for this initiative.
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🧵 Technical Deep Dive: Midnight 🌌 — Cardano’s Privacy-Focused Sidechain 1/ Midnight is a data-protection blockchain built on Cardano. It introduces programmable privacy while ensuring compliance — bridging transparency with confidentiality. 2/ Unlike fully anonymous chains, Midnight doesn’t hide everything. Instead, it uses zero-knowledge proofs (ZKPs) to allow selective disclosure of data when necessary. 3/ Consensus: Midnight leverages Input Endorsers + Ouroboros-based mechanisms, inheriting security from Cardano while enabling high throughput and scalable transactions. 4/ Smart Contracts: Midnight supports TypeScript-based smart contracts instead of Haskell/Plutus. This lowers the entry barrier for developers worldwide. 5/ Privacy Model: With zero-knowledge cryptography, users can prove statements (ownership, validity, compliance) without exposing sensitive details — perfect for regulated industries. 6/ Compliance Flexibility: Midnight balances privacy with legal requirements. Users can choose to disclose information to regulators or auditors while keeping data private from the public. 7/ Use Cases: Private DeFi Secure identity solutions Enterprise data protection Confidential supply chain & healthcare records 8/ Developer Experience: Midnight provides SDKs and APIs making it easier for developers to deploy privacy-enabled dApps, tapping into Cardano’s broader ecosystem. 9/ Token: $DUST — the native token powering Midnight. It’s used for fees, governance, and rewarding validators. 10/ In short, Midnight = privacy + compliance + accessibility, a new layer of trust and security for Web3. 🌌 The future of privacy on Cardano looks bright.
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We're excited to share our latest article: “Breaking down Solana & Ethereum: EVM & SVM” In this piece, we compare two foundational blockchain virtual machines: the EVM (Ethereum Virtual Machine) and the SVM (Solana Virtual Machine). We explore their architectural differences, runtime models, state management, developer ergonomics, fee structures, and essentially how those underlying engines drive everything you see on-chain. Why this matters: - Understanding VM architecture is critical for any builder, investor or strategist in crypto — because it underpins performance, composability, security, and developer experience. - The choices made at the VM layer (single‐threaded vs concurrent, stack-based vs register-based, isolated storage vs flat account space) impact everything from dApp design to ecosystem growth. - Whether you’re assessing deployment strategy, tooling, or system trade-offs — this article gives you the vocabulary and structure you need. 🔍 If you’re involved in blockchain development, ecosystem growth, or crypto infrastructure strategy (like me), this is a valuable read. Send it to your team, bookmark it, and let’s chat about implications. Read the full article here: https://lnkd.in/gpTvg9U5
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🔥 Build in Public - Build Bitcoin with Rust — Part 2: The Building Blocks In my last post, I shared the vision for this series — to build a fake Bitcoin blockchain from scratch in Rust 🦀. Today’s progress: I started laying down the foundation of the blockchain structure — the part that defines how data actually flows through the system. Here’s what I’ve implemented so far 👇 🧩 Core Structures 🪙 Transaction Every Bitcoin transaction has two sides — inputs and outputs. * Inputs reference previous transaction outputs (the coins you’re spending). * Outputs specify where the new coins go (and how much). Each input carries a signature proving you own the coins, and each output contains a public key that defines who can spend them next. This mimics how Bitcoin’s UTXO (Unspent Transaction Output) model works. ⛏️ BlockHeader The BlockHeader holds: * timestamp — when the block was created * nonce — the number miners vary to find a valid hash (Proof-of-Work) * prev_block_hash — linking back to the previous block * merkle_root — representing all transactions in the block * target — defines the mining difficulty This is where the heart of mining and chain validation will live later. 📦 Block Each block combines: * A header (metadata) * A list of transactions The block’s hash will represent its identity and secure it within the chain. 🔗 Blockchain Finally, the Blockchain struct ties everything together — a simple vector of blocks that can grow as new ones are mined. This stage is all about defining structure — the skeleton that future logic (like hashing, signing, and mining) will bring to life. Next, I’ll implement hashing for transactions and blocks — using SHA-256 to give every piece of data a unique fingerprint, just like in real Bitcoin. ⚙️ https://lnkd.in/dHc7zXR6 Follow along as I continue building #BuildInPublic #RustLang #Bitcoin #Blockchain #Crypto #OpenSource #SystemsProgramming
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