Resources 👇
III. Q&A / StackOverflow
I. Research Papers
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MultiCall: A Transaction-batching Interpreter for Ethereum - 2021 https://dl.acm.org/doi/pdf/10.1145/3457337.3457839
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IEEE: Static Profiling and Optimization of Ethereum Smart Contracts Using Resource Analysis - 2021 https://ieeexplore.ieee.org/abstract/document/9348894
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Arxiv: Under-Optimized Smart Contracts Devour Your Money - 2020 https://arxiv.org/pdf/1703.03994.pdf
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IEEE: Design Patterns for Gas Optimization in Ethereum - 2020 https://ieeexplore.ieee.org/abstract/document/9050163
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GASOL: Gas Analysis and Optimization for Ethereum Smart Contracts - 2020 http://costa.fdi.ucm.es/papers/costa/AlbertCGRR20.pdf
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Optimization of solidity smart contracts - 2020 https://repositum.tuwien.at/handle/20.500.12708/1428
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A Gas-Efficient Superlight Bitcoin Client in Solidity - 2020 https://dl.acm.org/doi/abs/10.1145/3419614.3423255
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Arxiv: Profiling Gas Leaks in Solidity Smart Contracts - 2020 https://arxiv.org/abs/2008.05449
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ABCDE—agile block chain DApp engineering - 2020 https://www.sciencedirect.com/science/article/pii/S2096720920300026
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IEEE: Transformation of Contract Descriptions in a Domain Specific Language to Solidity Assembly - 2020 https://ieeexplore.ieee.org/abstract/document/9325490
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Developing Cost-Effective Blockchain-Powered Applications: A Case Study of the Gas Usage of Smart Contract Transactions in the Ethereum Blockchain Platform - 2020 http://www.cse.yorku.ca/~zmjiang/publications/tosem2020_zarir.pdf
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Cost Minimization of Solidity Smart Contracts on Blockchain Systems - 2020 https://www.koreascience.or.kr/article/JAKO202019550426714.page
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IEEE: GasChecker: Scalable Analysis for Discovering Gas-Inefficient Smart Contracts - 2020 https://ieeexplore.ieee.org/abstract/document/9026761
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IEEE: Research on Smart Contract Optimization Method on Blockchain - 2019 https://ieeexplore.ieee.org/abstract/document/8832276
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Springer: Synthesis of Super-Optimized Smart Contracts Using Max-SMT - 2020 https://link.springer.com/chapter/10.1007/978-3-030-53288-8_10
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Characterizing Efficiency Optimizations in Solidity Smart Contracts - 2020 https://dsg.tuwien.ac.at/team/sschulte/paper/bc2020.pdf
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A Quantitative Analysis of the Ethereum Fee Market: How Storing Gas Can Result in More Predictable Prices. https://wwz.unibas.ch/fileadmin/user_upload/wwz/00_Professuren/Schaer_DLTFintech/Lehre/Teaching_Page/Nadler_MasterThesis_2020-1_copy.pdf
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Springer: Studying gas exceptions in blockchain-based cloud applications - 2020 https://journalofcloudcomputing.springeropen.com/articles/10.1186/s13677-020-00176-9
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IEEE: Characterizing Efficiency Optimizations in Solidity Smart Contracts - 2019 https://ieeexplore.ieee.org/abstract/document/9284779
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Springer: Computing Exact Worst-Case Gas Consumption for Smart Contracts - 2018 https://link.springer.com/chapter/10.1007/978-3-030-03427-6_33
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Gas Cost Analysis for Ethereum Smart Contracts - 2018 https://www.research-collection.ethz.ch/bitstream/handle/20.500.11850/312914/1/TMeineOrdnerMaster-ArbeitenHS18Signer_Christopher.pdf
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Springer: Optimized Execution of Business Processes on Blockchain - 2017 https://link.springer.com/chapter/10.1007/978-3-319-65000-5_8
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Saving Deployment Costs of Smart Contracts by Eliminating Gaswasteful Patterns - 2017 http://article.nadiapub.com/IJGDC/vol10_no12/6.pdf
II. Medium / Articles
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How to Save Gas in your Ethereum Smart Contracts - 2021 https://marduc812.com/2021/04/08/how-to-save-gas-in-your-ethereum-smart-contracts/
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Solidity Quick Tip: Efficiently Swap Two Variables - 2021 https://blog.oliverjumpertz.dev/solidity-quick-tip-efficiently-swap-two-variables
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How to Write Smart Contracts That Optimize Gas Spent on Ethereum - Medium https://betterprogramming.pub/how-to-write-smart-contracts-that-optimize-gas-spent-on-ethereum-30b5e9c5db85
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Optimizing your Solidity contract’s gas usage - Medium https://medium.com/coinmonks/optimizing-your-solidity-contracts-gas-usage-9d65334db6c7
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Solidity gas optimization tips - Article https://mudit.blog/solidity-gas-optimization-tips/
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Storage vs. Memory vs. Stack in Solidity & Ethereum https://dlt-repo.net/storage-vs-memory-vs-stack-in-solidity-ethereum/
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10 solidity code patterns that optimize the gas utilization of Ethereum smart contracts - 2019 https://blog.krybot.com/a?ID=01600-56f06856-e060-4787-93a3-0ffb088cd88f
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Gas Optimization in Solidity Part I: Variables - 2019 https://medium.com/coinmonks/gas-optimization-in-solidity-part-i-variables-9d5775e43dde
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How to optimize gas cost in a Solidity smart contract? 6 tips - 2019 https://eattheblocks.com/how-to-optimize-gas-cost-in-a-solidity-smart-contract-6-tips/
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Solidity tips and tricks to save gas and reduce bytecode size - 2019 https://blog.polymath.network/solidity-tips-and-tricks-to-save-gas-and-reduce-bytecode-size-c44580b218e6
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Save Gas with Packing in Solidity - 2019 https://www.maxgrok.com/posts/one-hundred-and-nineth-post
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The million dollar question (RU) - 2018 https://habr.com/ru/company/raiffeisenbank/blog/354122/
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Solidity gas optimization - small int types and structs - 2018 https://danielszego.blogspot.com/2018/01/solidity-gas-optimization-small-int.html
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8 Ways of Reducing the Gas Consumption of your Smart Contracts - 2018 https://medium.com/coinmonks/8-ways-of-reducing-the-gas-consumption-of-your-smart-contracts-9a506b339c0a
III. Q&A / StackOverflow
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How to write an optimized (gas-cost) smart contract? - StackOverflow https://ethereum.stackexchange.com/questions/28813/how-to-write-an-optimized-gas-cost-smart-contract
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Why does uint8 cost more gas than uint256? - StackOverflow https://ethereum.stackexchange.com/questions/3067/why-does-uint8-cost-more-gas-than-uint256
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Use string type or bytes32? - StackOverflow https://ethereum.stackexchange.com/questions/11556/use-string-type-or-bytes32
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Integer types; createPerson function alternatives; Gas; Optimization; View v Pure functions; Non-iterable nature of mappings - 2020 https://forum.ivanontech.com/t/integer-types-createperson-function-alternatives-gas-optimization-view-v-pure-functions-non-iterable-nature-of-mappings-by-jon-m/12169
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What’s the best way to optimize the bytecode size of a contract? - 2019 https://forum.openzeppelin.com/t/whats-the-best-way-to-optimize-the-bytecode-size-of-a-contract/981
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Gas optimization for my smart contract? - 2017 https://ethereum.stackexchange.com/questions/13472/gas-optimization-for-my-smart-contract
IV. Video resources / YouTube
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Three tips for optimizing gas - 2019 https://blockbites.io/bites/bite2.html
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DAPPCON 2018: Solidity Dapp Optimization Gonçalo Sá (ConsenSys Diligence) - 2018 https://www.youtube.com/watch?v=qwBkeJ84d2g&t=68s