Arena Blog

Why doesn't Bitcoin just get faster? Because speed costs something else. The blockchain trilemma, the ways around it, and the one number to watch for Bitcoin, Ethereum and Solana.

The perpetual is crypto's most-traded derivative — a future that never expires. To stop it drifting from spot, longs and shorts pay each other funding. How it works, who's really on the other side of your leveraged long, and why funding flips whole strategies.

Grid bots are marketed as "low-risk" and, with AI, as a source of "consistent profits." We checked the claims against the mechanics: a grid earns on sideways oscillation, not trends — and "always trading" means trend-chasing. A fair breakdown, plus how to actually evaluate a grid bot.

There's no textbook SaaS pitch behind Backtesting Arena — just the simple question every serious trader asks after enough cycles: which rules would have actually kept me out of the worst losses? An honest origin story.

Grid bots promise profit from sideways markets — but without the right range they fail. We show with two real BTC backtests (2024 and 2025) when grid wins, and when buy-and-hold dominates.