Blog · page 18

Bot engineering, in depth.

Page 18 of 26 — how trading bots actually work on Solana, Hyperliquid and Polymarket.

Apr 2, 2026·7 min read

Is It Worth Building on Robinhood Chain Now, or Waiting?

Should you build on Robinhood Chain now, ten days into a permissionless L2, or wait for the ecosystem to mature? A trading-systems engineer weighs it.

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Risk

Apr 1, 2026·6 min read

Position Sizing for Hyperliquid Bots: Kelly, Vol-Targeting, ADL Risk

Position sizing for a Hyperliquid trading bot means more than Kelly. Size perps against ADL queues, OI caps, and leverage tiers with vol-targeting that survives squeezes.

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Smart Contracts

Apr 1, 2026·6 min read

Jito Bundles vs Public Mempool: Solana MEV Protection Explained

Jito bundles vs public mempool on Solana: atomic execution, tip auctions, and when a trading bot actually needs bundle logic for MEV protection.

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Risk

Mar 31, 2026·7 min read

Circuit Breakers for Solana Bots: Halt Trading on Depeg & Oracle Gaps

Build a trading bot circuit breaker on Solana that halts on Pyth/Switchboard stale feeds, stablecoin depegs, and Jupiter route divergence before the kill-switch.

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Smart Contracts

Mar 30, 2026·6 min read

Polymarket's UMA Oracle vs Chainlink: How Markets Resolve

UMA optimistic oracle vs Chainlink: how bond-and-dispute resolution differs from push feeds, and which to use for event outcomes vs price data.

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Risk

Mar 30, 2026·7 min read

Jupiter priceImpactPct: Fix toFixed Errors and Add Swap Guardrails

Fix Jupiter priceImpactPct.toFixed errors, parse quote values safely, calculate minOut and reject unsafe Solana swap routes before signing.

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Hyperliquid

Mar 29, 2026·4 min read

Analyzing Hyperliquid Order Book Depth for HFT Signal Generation

How to snapshot and stream Hyperliquid's L2 order book via the API to derive real-time microstructure signals — bid-ask imbalance, queue position, and mid-price momentum — for use in HFT and market-making strategies.

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Guides

Mar 29, 2026·4 min read

How Much Does a Custom Crypto Trading Bot Cost?

From a simple Solana sniper to a full market-maker with live inventory skew — here's what custom crypto trading bot development actually costs, tier by tier.

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Risk

Mar 28, 2026·7 min read

Managing UMA Resolution Risk in Polymarket Bots Pre-Settlement

Polymarket resolution risk management for bots: quantify the odds a UMA proposal resolves against your position and auto-exit before the challenge window closes.

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Smart Contracts

Mar 28, 2026·6 min read

Foundry vs Hardhat in 2026: Which Toolchain for Contract Audits

Foundry vs Hardhat for audit-grade testing: why fuzzing-first Foundry workflows surface bugs static Hardhat suites miss, and when Hardhat still wins.

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Risk

Mar 27, 2026·6 min read

Jito Bundle Failure Risk: Handling Reverts, Tips & Uncled Bundles

A practical jito bundle failure risk management guide: model tip bleed, bound uncled-bundle cost, and stop partial-fill exposure from silently draining a searcher bot.

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Smart Contracts

Mar 27, 2026·7 min read

TON's Asynchronous Contracts vs EVM: Why Bugs Look Different

TON's async actor model vs EVM's synchronous call stack: why TON smart contracts trade reentrancy bugs for race conditions auditors must hunt manually.

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Risk

Mar 26, 2026·6 min read

Inventory Risk in Meteora DLMM LP Bots: Bin Drift & IL Limits

Manage meteora DLMM impermanent loss risk in your bot with programmatic bin-drift and IL thresholds that auto-rebalance or exit before inventory bleeds you.

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Risk

Mar 26, 2026·7 min read

Pyth vs Chainlink vs Switchboard: Oracle Risk on Solana Perps

How Pyth, Chainlink, and Switchboard differ on staleness and manipulation risk, and what a Solana perp-DEX oracle audit must check for each.

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Risk

Mar 25, 2026·7 min read

Hot Wallet Key Risk for Trading Bots: HSM, MPC & Signer Isolation

Trading bot private key security fails when strategy code holds signing keys. How we isolate signers with MPC/HSM and per-strategy hot-wallet caps.

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Solana

Mar 25, 2026·4 min read

Solana Copy-Trading Bots: How to Mirror Winning Wallets

Learn how to build a Solana copy-trading bot that selects wallets by on-chain edge, replicates trades with sub-100ms latency, and protects capital with kill-switches.

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Risk

Mar 25, 2026·6 min read

How Hyperliquid's HLP Vault Really Absorbs Liquidation Risk

Delivered a 1,239-word publication-ready blog article for TierZero on Hyperliquid HLP liquidation risk, with a worked bankruptcy-price example, ADL mechanics, the March 2025 JELLY case, and required internal links.

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Risk

Mar 24, 2026·7 min read

Correlation Risk in Multi-Strategy Bots: Netting Exposure Across Venues

Portfolio correlation risk trading bot crypto: how to net exposure across Solana, Hyperliquid and Polymarket so stacked correlated bets don't blow up.

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Risk

Mar 24, 2026·7 min read

Multisig vs MPC Wallets: Cutting Custody Risk for Trading Bots

Multisig vs MPC wallet custody risk compared for trading bots: signing latency, gas cost, vendor lock-in, and which to use when.

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Smart Contracts

Mar 23, 2026·6 min read

Anchor PDA Seed Design for Multi-Vault Trading Programs

A practical guide to anchor pda seed design: choosing seeds and canonical bumps so one trading program hosts thousands of isolated vaults without collisions.

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Solana

Mar 23, 2026·5 min read

Real Cost of Running a Solana Trading Bot in 2025: Full Breakdown

Between dedicated RPC nodes, Geyser subscriptions, Jito tips, compute unit fees, and co-location server costs, a serious Solana bot operation can burn over $3,000 per month before a single profitable trade. This article breaks down every line item, compares shared-vs-dedicated RPC pricing from Helius, QuickNode, and Triton, and shows how volume thresholds determine which infrastructure tier makes sense.

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Comparisons

Mar 22, 2026·5 min read

Solana vs Ethereum for Trading Bots: Gas Fees & Execution Speed 2025

Ethereum's EIP-1559 fee market and 12-second block times versus Solana's sub-cent fees and 400ms slots produce radically different cost structures for the same arbitrage strategy — here is the full fee and latency comparison.

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Solana

Mar 22, 2026·6 min read

Geyser Yellowstone gRPC: Real-Time Account Feeds for Solana Bots

Polling RPC nodes for account updates introduces 50-200 ms of unnecessary latency compared to streaming directly from a Geyser-compatible plugin like Yellowstone. This tutorial walks through subscribing to transaction and account streams over gRPC, filtering by program ID, and parsing Protobuf messages inside a Rust or TypeScript bot.

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Smart Contracts

Mar 22, 2026·6 min read

Address Lookup Tables: Fitting 20-Leg Arbs in One Solana Tx

A practical guide to solana address lookup tables: build, extend, and warm ALTs so a 20-leg Jupiter/Meteora arb fits under the 1232-byte v0 tx limit.

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