34 MB
Setup program size
Official Atelier Coin website
Blockchain Developer Agent for Windows
Atelier Coin version 2.9.26 lets a blockchain engineer edit files and see the diff so control comes from approval modes and the diff results. Stay in control.
Find all functions that send tokens in the current folder.
- glob
*.sol3 files - grep
transfer5 matches - read_file
Token.solread ok - grep
send3 matches - Shell
Run your test commandexit 0 - write_file
test.solsaved
waiting for your OK before the next stepRejectAccept
25 MB
Single exe file
13
Interface languages
2.9.26
Current release
2026
Release year
SHA-256
Verify installer
Blockchain Developer Tools
Atelier Coin helps a blockchain developer write code and runs commands in your folder to verify results while ensuring privacy for all operations. It works locally. The current version is 2.9.26 and was released on 2 Nov 2026. No account is needed to run the tool on Windows 10 or 11.
Blockchain engineer walkthroughs
The agent uses list_dir to map the repository structure and glob to locate contract files, so it understands the code logic before writing tests with write_file. Ask first. Edit files with edit_file to apply changes to the code base. The diff appears in the chat before you accept the changes. Shell runs your build command to verify the code logic works. This workflow uses 2 real tools for clarity in the process.
Tool trace
list_dir . → 12 items
glob *.sol → 3 files
read_file Main.sol → read okBlockchain coding with Shell
Shell runs your build command and checks the exit code to verify success, while read_file identifies the specific cause of any failure in the code. It runs. edit_file writes the source code to fix the issue immediately. The diff appears before you accept the change in the editor. Plan only lists the steps without running them for review. This version 2.9.26 agent handles the workflow on Windows 10/11 with care.
Tool trace
Shell your build command → exit 0
read_file build.log → read ok
edit_file Main.sol → savedCoding for blockchain
The agent uses write_file to create a small teaching chain with index, timestamp, and hash fields, and you review each change before the code is saved to your repository. It is a learning toy. Use grep to find specific lines in the code files. Shell runs your build command to verify the logic successfully. Ask first pauses before every action that changes something important. How smart contracts enforce code on blockchain is clear and safe for beginners with version 2.9.26.
Tool trace
write_file blockchain.py → saved
grep hash → 1 match
Shell your test command → exit 0Code review and diff
The agent uses read_file to load the code and edit_file to apply changes while showing the diff in the chat for review before you decide. Plan only. Version 2.9.26 supports 13 languages for all users who want to code. Shell runs your test command to check the build status of the project. You stay in control with Plan only mode to see the plan first. Fixed size binary ledger blockchain bloat occurs when data accumulates without pruning.
Tool trace
read_file Contract.sol → read ok
edit_file Contract.sol → saved
Shell your test command → exit 0How it differs from a typical chat assistant
Atelier Coin 2.9.26 suggests text, runs tools, changes files and shows results, while a blockchain developer reviews the diff carefully. Review the diff.
| Typical chat assistant | Atelier Coin | |
|---|---|---|
| Action | Suggests text | Runs commands |
| Files | Reads only | Writes and edits |
| Result | Shows text | Shows exit code |
| Control | Copy paste | Ask first mode |
How to install and run
- Download the 34 MB setup file.
- Run the installer on Windows 10 or 11.
- Open the app and select your folder.
- Connect a model, start a chat and run a command.
Who uses it and when
grep and glob find where a contract function is used, and verifiable truth claims with staked voting help you verify the chain integrity. Precise search. You review the diff before accepting changes in your own repository.
Blockchain engineers use this tool to explore codebases because it runs grep to find functions and reads files while writing tests for the project. Ask first. Every change stays under your complete control during editing sessions.
Beginners use the agent to learn blockchain programming, and the tool creates small projects that run commands locally to show real results immediately. Version 2.9.26 is stable. You edit files and see diffs in the chat interface.
Frequently asked questions
What is a blockchain developer?
A blockchain developer writes software for chains and uses languages such as Solidity or Rust to build the necessary components for the network. Atelier Coin helps. The agent runs commands in your folder to execute tasks.
Is lecoincodeurs.com the official Atelier Coin website?
Yes, lecoincodeurs.com is the official Atelier Coin website, and you can verify the installer by comparing its SHA-256 checksum with the published manifest using certutil on Windows. It is official. The download button provides the 34 MB setup program, not the portable executable.
Does the agent change my files?
Yes, it writes and edits files, and every action appears in the chat as a card with its real result so you can review the diff before accepting changes, while Ask first pauses before actions that change something. Auto-run acts at once. This ensures you control every modification before it happens in your repository.
What does blockchain development entail?
Blockchain development is the work of writing smart contracts, node software, back ends, and tests, and it defines the core programming tasks for engineers who build the application around a chain. It defines structure. The engineer writes the code and builds the application for the user.
Does it cost anything?
No, no account is needed to run Atelier Coin locally on your PC, so that your chats and API keys stay on the machine for privacy. Immediate access. Start coding for blockchain without signing up today and enjoy the full experience.
Can I use a local model?
Yes, you can run a model locally on your PC, and the Test button checks the endpoint to show response time and context window size. Nothing leaves. With a local model, no data leaves the PC at all.
How do I verify the installer?
The SHA-256 checksum is computed with certutil and compared with the published manifest so that you verify the installer integrity before executing it and ensure the file is authentic. Run anyway. Choose More info, then Run anyway, only after the checksum matches to confirm the download.
Start coding today
Atelier Coin version 2.9.26 runs tools in your folder so you stay in control, and the download button gives the setup program. Download now.
Download Atelier Coin for Windows ↗Site navigation
Every page of this website is available in 20 languages. The app interface itself has 13.
Product details ↗ Model configuration ↗ Workflow examples ↗ Download installer ↗ FAQ and support ↗ Privacy policy ↗
