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# Professional Summary Rust engineer transitioning into blockchain protocol and distributed systems engineering. Over the past several years I have built blockchain applications while progressively moving closer to protocol-level development through Bitcoin, CKB and Polkadot ecosystems. My recent work centers around understanding blockchain internals including transaction validation, scripting systems, runtime execution, cryptographic primitives, networking, wallet infrastructure and distributed protocol design. Alongside open source contributions, I regularly document my research, implement protocol experiments and build developer tooling to deepen my understanding of blockchain infrastructure.

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# Core Competencies - Rust Programming - Blockchain Protocols - Distributed Systems - Runtime Development - Bitcoin Scripts - Wallet Infrastructure - Cryptography - Networking - Protocol Research

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# Technical Expertise ### Protocol Development Rust, Substrate, FRAME, Runtime Architecture, SCALE Codec, Storage Models ### Bitcoin Transactions, UTXO Model, Bitcoin Script, PSBT, Mempool Analysis, Mining, Nodes ### Networking Fiber Network, Lightning Concepts, Peer-to-Peer Systems, Channel Architecture ### Cryptography Hashing, Commitments, Schnorr Signatures, BLS12-381, Merkle Trees ### Tooling Cargo, Git, SubXT, ckb-cli, Bitcoin Core CLI

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# Selected Protocol Projects

## PVM Runtime Cryptographic Precompiles **Role** Protocol Infrastructure Contributor **Stack** Rust • Substrate • pallet-revive • Solidity • Cryptography - Built developer tooling exposing native runtime cryptographic precompiles to Solidity contracts. - Designed encoding libraries and helper tooling for Schnorr signatures and BLS12-381 operations. - Improved the developer experience around runtime-hosted cryptographic functionality. - Explored the interaction boundary between runtime execution and smart contract environments.

## Substrate Proof of Existence Runtime (Planned) **Stack** Rust • FRAME • SubXT - Designing a production-oriented FRAME runtime implementing a Proof of Existence protocol. - Exploring pallet architecture, storage layouts, runtime APIs and off-chain interaction through SubXT. - Intended as a practical learning project for runtime architecture and blockchain state management.

## Bitcoin Protocol Exercises **Stack** Rust • Bitcoin Core • Bitcoin Script - Implemented multiple protocol exercises covering Bitcoin transactions, scripting, wallet generation and transaction decoding. - Explored Bitcoin's execution model through practical implementation rather than theory alone. - Studied transaction serialization, signature verification and UTXO validation.

## Fiber Network Infrastructure Research **Stack** CKB • Fiber • Rust - Investigated infrastructure requirements around watchtowers, payment channels and wallet integrations. - Designed concepts for developer tooling simplifying Fiber application development. - Researched channel lifecycle management and off-chain payment infrastructure.

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# Research, Open Source & Ecosystem Experience

## CKB Builders Program **Nervos Foundation** - Document daily protocol research covering CKB architecture, Cells, Scripts, Fiber Network and RGB++. - Build practical experiments to reinforce protocol concepts. - Share implementation notes and developer documentation.

## BOSS Bitcoin Program - Complete weekly protocol challenges covering Bitcoin cryptography, consensus, scripting and wallet internals. - Study Bitcoin Core concepts through implementation-focused exercises. - Produce detailed technical write-ups documenting protocol understanding.

## Bitshala Bitcoin Development Program - Completed projects implementing Bitcoin transactions, scripts, mining concepts and node interaction. - Studied _Programming Bitcoin_ and _Mastering Bitcoin_ through guided practical exercises. - Built tooling around Bitcoin Core CLI and transaction inspection.

## Polkadot Open Source - Contributed protocol improvements around runtime cryptographic precompiles. - Study FRAME internals, runtime execution and SDK architecture. - Continue contributing tooling and infrastructure improvements.

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# Open Source & Technical Writing ### Open Source - Polkadot SDK contributions - Runtime cryptographic tooling - Blockchain infrastructure experiments ### Technical Writing - Daily protocol research - Runtime architecture notes - Bitcoin implementation walkthroughs - CKB ecosystem documentation ### Content Creation - Live protocol engineering sessions - Distributed systems discussions - Blockchain architecture deep dives

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# Research Programs & Technical Communities ### Programs - CKB Builders - BOSS Bitcoin Program - Bitshala — Programming Bitcoin ### Ongoing Study - Bitcoin Core - Fiber Network - Lightning Network - Substrate Runtime Development - Distributed Systems - Consensus Algorithms - Decentralized Storage

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# Education **B.Eng Chemical Engineering** University of Ilorin Second Class Upper

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Bolaji Ahmad Portfolio

Bolaji Ahmad Portfolio

Bolaji Ahmad Portfolio