Freddy Caceres
Blockchain Developer at Crypto.com
Miami, Florida, United States
Summary
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RockstarFreddy Caceres is a blockchain developer based in Miami with five years of hands-on experience building and hardening EVM-compatible systems. He contributes to notable open-source infrastructure like Ethermint, where he implemented and refined JSON-RPC txpool endpoints and improved block/transaction handling to ensure data integrity for EVM chains. Freddy blends backend engineering rigor with a practical understanding of cross-chain interoperability, focusing on correct formatting, RPC namespace design, and robust transaction lifecycle management. Comfortable working in high-stakes, protocol-level code, he brings an eye for subtle correctness issues—such as parent hash and extra data handling—that can break downstream tooling. As a compact, focused engineer, he’s likely to be effective integrating node-level improvements into broader blockchain stacks.
5 years of coding experience
Github Skills (7)
golang10
json-rpc10
evm10
go10
ethereum10
blockchain10
rpc9
Programming languages (6)
Github contributions (5)
evmos/ethermint
Jun 2021 - Jul 2022
Ethermint is a Cosmos SDK library for running scalable and interoperable EVM chains
Role in this project:
Back-end Developer
Back-end DeveloperContributions:81 reviews, 87 commits, 49 PRs in 1 year 1 month
Contributions summary:Freddy primarily contributed to the implementation of JSON-RPC methods, specifically focusing on adding and refining functionality for the `txpool` namespace. They added endpoints like `txpool_content`, `txpool_inspect`, and `txpool_status`, and also refactored RPC namespaces. Furthermore, they improved the block and transaction handling, ensuring correct formatting and data integrity for the Ethereum Virtual Machine (EVM). These changes included addressing incorrect handling of extra data, and fixing formatting for the parent hash.
golanginteroperablescalableethermintethereum
crypto-facs/ethermint
Jun 2021 - Jul 2022
Ethermint is a scalable and interoperable Ethereum, built on Proof-of-Stake with fast-finality using the Cosmos SDK.
Contributions:189 pushes, 41 branches in 1 year 1 month
interoperablescalableethermintstakeethereum
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