How do I start learning smart contract development?

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I want to learn smart contract development but I’m feeling stuck on where to begin. I’ve been reading about Solidity, Ethereum, and blockchain tools, but the learning path feels overwhelming and scattered. I need a simple beginner roadmap that covers what to learn first, which resources are actually worth using, and how to practice without wasting time.

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I came into this with no blockchain background at all. What kept me moving was a short path and early hands-on work. I got more out of writing broken contracts than sitting through long video playlists. If you want more beginner takes from people who already went through it, this thread is worth reading: advice from other developers.

Before you touch Solidity, get the core blockchain stuff straight in your head. I did not start with math-heavy cryptography, and I don’t think you need it first. What helped was learning these pieces in plain English:

  1. what a wallet is

  2. how transactions move through the chain

  3. why gas fees exist

  4. what public and private keys do

  5. what a smart contract is supposed to handle

For this part, Ethereum docs and a few short YouTube explainers were enough for me. No need to turn it into a research project.

Pick Up JavaScript First

I skipped around at first and paid for it later. If your JavaScript is shaky, Web3 tools feel worse than they need to. You do not need polished frontend skills. You do need a working feel for:

  1. functions

  2. objects

  3. async code

  4. APIs

Once I cleaned up those basics, a lot of the tooling stopped looking random.

Then Start Solidity

When I began Solidity, I made faster progress after I stopped trying to memorize the whole language. I stuck to the parts I kept seeing in beginner contracts:

  1. variables and functions

  2. arrays and mappings

  3. modifiers

  4. events

  5. access control

  6. inheritance

I used Remix IDE first. No setup, no local config fights, no wasted evening over package errors. You paste code, compile, deploy in the browser, and see what breaks. For me, taht feedback loop mattered.

Build Tiny Stuff Early

The worst trap I saw was staying in theory mode for too long. I learned more from small messy projects than from clean notes.

Good starter builds:

  1. a voting contract

  2. an ERC-20 token

  3. a crowdfunding contract

  4. a basic NFT mint

Your code failing on deploy teaches fast. Bad function visibility, wrong constructor inputs, weird state bugs, gas issues. You remember those.

Move Into Real Tools

After the basics started to stick, I moved to Hardhat and later looked at Foundry. This is where things start to feel like real development instead of browser experiments.

You’ll run into:

  1. tests

  2. deployment scripts

  3. debugging

  4. project structure

Testing is a big deal here. A normal app bug is annoying. A contract bug can freeze funds or send them somewhere dumb. Different stakes.

Spend Time on Security Sooner Than You Think

I used to treat security as an advanced topic for later. Bad idea. In smart contracts, it shows up early.

Start with common failures:

  1. reentrancy

  2. weak access control

  3. oracle manipulation

  4. integer issues

One thing I found useful was reading exploit writeups and postmortems. You see the mistake, the path to exploit, and the cost. It sticks harder than a checklist does.

Read Code Written by People Better Than You

This helped me more than I expected. I spent time reading contracts on GitHub and Etherscan, even when I only understood part of them. Over time, patterns started repeating.

OpenZeppelin is especially useful for this. You get a cleaner picture of how experienced devs organize production contracts, handle permissions, and avoid weird homemade shortcuts.

Get Out of Copy Mode

There’s a point where following tutorials starts wasting your time. I hit it when I noticed I could repeat steps from a video and still blank out when starting from an empty file.

So I began building small things without a guide open the whole time. Slow at first. Kinda ugly. Still better. Even a half-finished contract teaches more than another long course where you pause every two minutes and type what someone else typed.

Resources I Found Useful

  1. CryptoZombies

  2. Solidity docs

  3. Patrick Collins courses

  4. Ethernaut for security practice

I would keep the list short at the start. Too many resources turns into fake progress fast.

What I’d Do Again

I would not make some giant one-year plan. Mine would've been nonsense anyway. I’d learn the basics, write small contracts, break them, test them, fix them, and repeat. That loop taught me more than trying to study everything upfront.

4 Likes
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You need a filter more than a bigger list.

I agree with @mikeappsreviewer on keeping the path short. I disagree a bit on waiting too long before touching code. Start code on day 2, not after weeks of theory. If you wait, you end up reading and forgetting.

My simple path:

Week 1
Learn the EVM at a high level. Storage, memory, calldata. Learn what msg.sender and msg.value mean. Those show up in almost every contract.

Week 2
Write 3 tiny contracts in Remix.

  1. Store and update a number
  2. Owner-only withdraw
  3. Simple escrow

Week 3
Learn testing before bigger projects. Most new devs skip this and their progress gets fake fast. Write tests for revert cases, not only happy paths.

Week 4
Use one framework, not two. I’d pick Foundry first. It is faster for contract-focused work. Hardhat is fine, but beginners often get pulled into JS config junk.

After that, study standards. ERC-20, ERC-721, ERC-1155. Read OpenZeppelin and ask why each line exists. Don’t copy blind.

Best habit, keep a bug log. Every failed deploy, every weird revert, every gas issue. Write the cause and fix. That notebook helps more than another course tbh.

If your goal is jobs, add this early:

  1. fork tests
  2. event indexing
  3. upgrade patterns
  4. basic DeFi math
  5. audit reports

Treat smart contracts like backend engineering with harsher consequences. Small scope. Tests early. Read production code. Ship tiny stuff. Repeat.

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You’re probably overwhelmed because most smart contract advice gets taught in the wrong order.

@byteguru is right about testing early, but I actually would not obsess over EVM internals in week 1 unless you already enjoy low-level stuff. Storage vs memory matters, sure, but if you start there, a lot of people just stall out. And @mikeappsreviewer is right about keeping the path short, but I’d add one thing he didn’t really stress enough: pick a lane.

Meaning, decide what you want smart contracts for:

  1. getting a job
  2. building your own dapp
  3. doing security/auditing
  4. just learning web3 dev

Those are diff paths.

If you want the least confusing route, do this:

  1. Learn enough Solidity to read simple contracts
  2. Learn how to interact with contracts from a frontend or script
  3. Deploy on a testnet
  4. Read one real protocol repo
  5. Rebuild one tiny feature from it

That “rebuild a feature” step is where stuff finally clicks. Not tutorials. Not 9 hour courses. Rebuilding.

Also, do not spend forever making toy ERC20s. One is enough. After that, move into things with actual logic: vesting, auctions, staking, multisig rules, timelocks. More realistic, more useful.

My honest take: a lot of beginners hide in “learning resources” because writing contracts that fail feels bad. But that failure is the whole game tbh.

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I’d split from @byteguru, @viajeroceleste, and @mikeappsreviewer on one thing: don’t build your learning plan around weeks. Time-based plans look neat, but skill-based checkpoints work better.

Try checkpoints instead:

  1. Can you explain what state changes cost gas and why?
  2. Can you write a contract with access control and events?
  3. Can you predict when a function should revert?
  4. Can you deploy, verify, and interact with a contract without a tutorial?

If not, stay on that checkpoint. If yes, move on.

My path would be:

  • learn Solidity and Remix just enough to make contracts
  • switch quickly to reading transaction traces on a block explorer
  • practice debugging failed calls
  • learn ABI, logs, and how frontend code actually talks to contracts
  • only then worry about bigger architecture

Reason: a lot of beginners can write contracts, but they cannot inspect what happened when something breaks. That slows them down later.

Also, I would delay NFTs and tokens a bit. They are overused beginner exercises. Start with boring but useful patterns:

  • escrow
  • timelock
  • payout splitter
  • role-based admin panel
  • simple treasury

One underrated habit: explain every contract you build in plain English, line by line. If you cannot explain it simply, you probably copied too much.

For resources, keep them narrow. Even something like ’ can help readability if you use it to organize notes, bug patterns, and contract breakdowns.

Pros of ':

  • keeps study notes cleaner
  • useful for tracking bugs and concepts
  • can reduce tool-hopping

Cons of ':

  • won’t teach fundamentals for you
  • easy to turn into another organizational distraction
  • not useful if you are not actively building

Big picture: stop asking “what should I study next?” and start asking “what can I build and debug this week?” That question usually points to the right next step.