Add Stavros Vlachakis from Nethermind#516
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Name / Identifier Stavros Vlachakis Team / Project Nethermind Start date of relevant projects July 2025 (part-time) February 2026 (full-time) Proposed weight Full (1.0) Summary of work / eligibility Stavros joined Nethermind in March 2025. Since July 2025, he has contributed part-time to the Nethermind Ethereum Execution Client (Core team) alongside other responsibilities. Since February 2026, he has worked full-time on Nethermind Client, with 100+ merged PRs in total. He owns the JSON-RPC for Nethermind Client. He is also expected to contribute extensively to Frame Transactions on Hegota. Representative work: - EIP-4444 history expiry (EraE): implemented the EraE archive format end-to-end — era export/import and remote download with SHA-256 verification. (#10812 (NethermindEth/nethermind#10812)) - JSON-RPC (owner): broad spec-compliance and Geth-parity work plus new endpoints — e.g. Geth-compatible error codes (#11335 (NethermindEth/nethermind#11335)) and eth_signTransaction / raw-transaction methods (#11517 (NethermindEth/nethermind#11517), #11521 (NethermindEth/nethermind#11521)). - Streaming for large RPC responses: streaming approach for trace_* and debug_* results, avoiding buffering huge responses in memory. (#11755 (NethermindEth/nethermind#11755), #11693 (NethermindEth/nethermind#11693)). - EVM & execution performance: eth_call interpreter/dispatch optimizations (#11965 (NethermindEth/nethermind#11965)), EVM memory pooling and SLOAD / flat-state read caching (#11991 (NethermindEth/nethermind#11991), #12043 (NethermindEth/nethermind#12043)). - State & consensus reliability: correct persisted-code tracking in the code DB (#11714 (NethermindEth/nethermind#11714)), forkchoice canonical-chain corruption healing after beacon sync (#10876 (NethermindEth/nethermind#10876)). All merged PRs: https://github.com/NethermindEth/nethermind/pulls?q=is%3Apr+author%3Asvlachakis+is%3Aclosed (edited)
LukaszRozmej
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Jul 8, 2026
| | [Sally Macfarlane](https://github.com/macfarla/) | 1 | [hyperledger/besu](https://github.com/hyperledger/besu/pulls?q=author%3Amacfarla) | | ||
| | [Simon Dudley](https://github.com/siladu/) | 1 | [hyperledger/besu](https://github.com/hyperledger/besu/pulls?q=author%3Asiladu) | | ||
| | **Nethermind** (16 contributors) | **12** | [NethermindEth/nethermind](https://github.com/NethermindEth/nethermind) | | ||
| | **Nethermind** (16 contributors) | **12.5** | [NethermindEth/nethermind](https://github.com/NethermindEth/nethermind) | |
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number of contributors was left as is as Ahmad is being removed in #506
smartprogrammer93
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Name / Identifier
Stavros Vlachakis
Team / Project
Nethermind
Start date of relevant projects
July 2025 (part-time)
February 2026 (full-time)
Proposed weight
Full (1.0)
Summary of work / eligibility
Stavros joined Nethermind in March 2025. Since July 2025, he has contributed part-time to the Nethermind Ethereum Execution Client (Core team) alongside other responsibilities. Since February 2026, he has worked full-time on Nethermind Client, with 100+ merged PRs in total. He owns the JSON-RPC for Nethermind Client. He is also expected to contribute extensively to Frame Transactions on Hegota.
Representative work:
eth_signTransactionNethermindEth/nethermind#11517), #11521 (RPC: addeth_getRawTransactionByBlockHashAndIndexð_getRawTransactionByBlockNumberAndIndexð_sendRawTransactionSyncNethermindEth/nethermind#11521)).eth_call- perf improvements NethermindEth/nethermind#11965)), EVM memory pooling and SLOAD / flat-state read caching (#11991 (EvmPoolMemory Improvement NethermindEth/nethermind#11991), #12043 (SLOAD Improvements NethermindEth/nethermind#12043)).All merged PRs: https://github.com/NethermindEth/nethermind/pulls?q=is%3Apr+author%3Asvlachakis+is%3Aclosed (edited)