Developer Releases Open-Source Kraken Trading Simulator for Risk-Free Strategy Testing

·1 views

A developer has built and open-sourced the Kraken Trading Simulator, a tool that allows users to test cryptocurrency trading strategies using historical market data instead of live funds. The application supports historical market replay, simulated portfolio management, buy and sell execution, and performance tracking. Built with modern web technologies, it is designed to be accessible to full-stack developers interested in financial software and algorithmic trading. The project aims to help developers backtest strategies before deploying them on live exchanges, addressing a common risk in algorithmic trading. Future planned features include multiple strategy support, advanced technical indicators, Monte Carlo simulations, and AI-assisted strategy generation.

Read the full story at DEV Community

This is an AI-generated summary. ShortSingh links to the original source for the complete article.

Discussion (0)

Developer Builds Browser Extension to Summarize Entire Research Sessions

A developer has begun building a browser extension designed to capture and summarize full research sessions across multiple tabs and sources, not just individual pages. The tool addresses a common problem among learners who lose track of information scattered across various websites, AI tools, and documents. Users can toggle a capture mode, select relevant tabs, and receive automatic per-page summaries as they browse. The current MVP uses Google's on-device Gemini Nano model for summarization, with an option to export all summaries as a text file or PDF. The developer plans to use the tool personally for two weeks before running a small beta with around 10 users to refine it further.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Six Cloud Readiness Checks SaaS Teams Should Run Before Scaling Costs Rise

A practical checklist for SaaS teams highlights six key areas where cloud setups can quietly fail before scaling becomes expensive. The guide focuses on connecting infrastructure decisions to product outcomes, covering cost attribution, reserved capacity timing, caching freshness, and regional performance visibility. Teams are urged to ensure they can explain which workloads benefited from discounts and whether reserved compute windows are actually matched to ready workloads. Caching is flagged as a double-edged tool that can hurt user trust if stale responses are served without clear ownership of refresh logic. The checklist is positioned not as a replacement for formal cloud architecture reviews but as a field reference for teams bridging engineering and product decisions.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Developer Builds Declarative UI Runtime LuciaCore to Tackle Frontend Maintenance Chaos

A systems programmer turned frontend developer created LuciaCore, a prototype declarative UI runtime, after struggling with the complexity of maintaining large frontend codebases. The developer found that a portfolio project ballooned to over 190 files, with inconsistent conventions making even simple changes difficult to trace. Bundling files reduced page load requests but did not solve the underlying maintenance problem of locating and updating scattered UI logic. LuciaCore aims to let developers describe interactive web pages as structured data rather than manually assembling components each time. The project is currently a prototype, not a production-ready framework, but is designed to enforce consistency from the ground up.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Five JWT Validation Settings in .NET 8 That Developers Commonly Misconfigure

A technical breakdown highlights five frequently skipped TokenValidationParameters settings in .NET 8 that can silently allow invalid JWT tokens to pass authentication. The most dangerous misconfiguration involves setting ValidateLifetime to false, often done during local testing to suppress errors, which then ships to production and allows expired tokens to authenticate indefinitely. Another overlooked issue is the default five-minute ClockSkew tolerance in TokenValidationParameters, which extends token validity windows without developers realizing it. These vulnerabilities are especially common in hand-rolled JWT setups where configuration snippets are copied and modified without full understanding of the security implications. The article provides a reference implementation for a correct .NET 8 minimal API JWT bearer setup along with a checklist developers can use to audit their own codebases.

0 comments Read more at DEV Community