Blog · page 18

Bot engineering, in depth.

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

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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Strategies

Mar 22, 2026·4 min read

Paper Trading Hyperliquid Perps: A Pre-Live Checklist

How to wire a strategy against Hyperliquid's testnet WebSocket feed, track realistic funding and fee drag, and set clear go/no-go metrics before deploying real margin. Includes a Python checklist for validating order-management logic.

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