Blog · page 12

Bot engineering, in depth.

Page 12 of 26 — how trading bots actually work on Solana, Hyperliquid and Polymarket.

Polymarket
May 14, 2026·6 min read

Splitting & Merging Polymarket CTF Positions Programmatically

A working guide to Polymarket conditional tokens split merge calls on the Gnosis CTF, and how bots trade the 1.00-sum invariant across binary outcomes.

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Guides
May 14, 2026·6 min read

Smart Contract Audit Cost in 2026: EVM vs Solana vs TON

Smart contract audit cost in 2026 ranges from $3k to $150k+. Here's what actually drives the number across EVM, Solana, and TON.

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Comparisons
May 14, 2026·4 min read

Sniper Bot vs Copy-Trading Bot: Which Should You Build?

Speed-first snipers and signal-following copy bots solve completely different problems — here's how to pick the right architecture before you write a line of code.

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Polymarket
May 13, 2026·6 min read

Polymarket negRisk Adapter Explained: Multi-Outcome Markets

Polymarket negRisk explained: how the NegRiskAdapter contract links binary CTF conditions so multi-candidate markets can't double-pay or leave every outcome resolved NO.

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Comparisons
May 13, 2026·5 min read

On-Chain vs Off-Chain Order Matching for Trading Bots: ROI Tradeoffs

Fully on-chain DEX matching is transparent and permissionless but expensive; off-chain matching on venues like Hyperliquid is faster and cheaper but introduces counterparty risk. We model the ROI impact for a $500k AUM bot.

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MEV
May 13, 2026·6 min read

Yellowstone gRPC vs Geyser: Streaming Solana Mempool for MEV

Wiring Yellowstone gRPC Solana mempool subscriptions to catch MEV before block inclusion — Geyser vs polling RPC, with real latency and cost tradeoffs.

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Solana
May 12, 2026·5 min read

How Pump.fun Volume Bots Work and How to Detect Wash Trading

Volume bots cycle SOL between controlled wallets to inflate pump.fun token rankings. We reverse-engineer the common patterns — wallet clustering, inter-transaction timing, and fee signatures — that identify wash activity on-chain.

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Polymarket
May 12, 2026·7 min read

Polymarket vs Azuro: Order Book vs On-Chain Liquidity Pools

Polymarket vs Azuro compared: off-chain CLOB matching versus on-chain liquidity pools, and what each architecture means for bot builders.

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MEV
May 11, 2026·6 min read

JIT Liquidity on Meteora DLMM: How MEV Bots Front Swaps

A senior engineer's guide to Meteora DLMM JIT liquidity MEV: seeding single-sided bins one slot before a whale swap to capture fees, and how to build the bot.

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Robinhood Chain
May 11, 2026·6 min read

Robinhood Chain vs Arbitrum One: What Actually Changed

Robinhood Chain vs Arbitrum: same Orbit stack, same EVM tooling, but a different asset class and market-hours risk profile.

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Polymarket
May 11, 2026·5 min read

Building a Polymarket Arbitrage Bot: CLOB API and Signed Orders

Build a Polymarket arbitrage bot: CLOB REST/WebSocket API, EIP-712 signed orders, and cross-market spread detection explained with code.

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Solana
May 11, 2026·4 min read

Raydium Sniper Bots: Catching New Liquidity Pools First

Learn how raydium sniper bots detect initialize2 pool-creation instructions on-chain to enter new liquidity pools seconds before they appear on any DEX aggregator.

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MEV
May 10, 2026·6 min read

Jito ShredStream Explained: Sub-Slot Data for Solana Searchers

Jito ShredStream Solana delivers shreds before block confirmation, cutting opportunity-detection latency for searchers. How it beats Geyser feeds, and where it bites.

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Smart Contracts
May 10, 2026·4 min read

CPI Into OpenBook V2 From an Anchor Program

Cross-Program Invocation lets your settlement program call OpenBook V2 order-placement instructions atomically without a client round-trip. This tutorial walks through building the CPI call, passing the correct account metas, and handling error propagation safely.

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Hyperliquid
May 10, 2026·6 min read

Hyperliquid Max Leverage and Risk Limits by Asset Class Explained

Hyperliquid sets per-asset open interest caps and maximum leverage that change dynamically as market conditions shift — understanding these limits is critical before sizing into illiquid alt-perps where position caps can force partial fills. This reference covers how to query current risk parameters via the API and build guardrails into your bot.

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Polymarket
May 10, 2026·6 min read

EIP-712 Signed Orders: How Polymarket's Gasless Trading Works

How Polymarket's EIP-712 signed orders enable gasless trading via off-chain signatures, proxy wallets, and relayer settlement on Polygon.

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MEV
May 9, 2026·6 min read

MEV Protection RPCs on Solana: Helius, Temporal & Jito Compared

Compare Solana MEV protection RPCs: Helius Sender, Temporal Nozomi and Jito bundles benchmarked on landing rate, tips and revert protection for sandwich-free swaps.

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Infrastructure
May 9, 2026·5 min read

Best Monitoring Stack for a Solana Trading Bot: Grafana + Prometheus

We cover which metrics matter — slot lag, confirmation latency, slot leader proximity, dropped transactions — and provide a ready-made Grafana dashboard JSON and Prometheus scrape config tuned for production Solana HFT bots.

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MEV
May 8, 2026·7 min read

Flashbots MEV-Share on EVM: Building an Orderflow Backrunner

Flashbots MEV-Share backrunning explained: subscribe to hints, build backrun bundles that split profit with users, and how it differs from dark private orderflow.

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Guides
May 8, 2026·6 min read

How to Choose a Smart Contract Auditor: A Vetting Checklist

A concrete vetting checklist for how to choose a smart contract auditor: past reports, tooling stack, manual-review ratio, and remediation terms.

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Polymarket
May 7, 2026·7 min read

Polymarket vs Hyperliquid: Comparing Two On-Chain Order Books

Polymarket vs Hyperliquid order book: how off-chain CLOB matching compares to on-chain HyperBFT consensus on latency, finality, and design.

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MEV
May 7, 2026·6 min read

Backrunning Hyperliquid Oracle Updates: Is the Edge Real?

Does a hyperliquid oracle update MEV edge actually exist? We break down mark-price mechanics, L1 ordering, and whether liquidation cascades are truly backrunnable.

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Smart Contracts
May 7, 2026·5 min read

Writing a Solidity Adapter for Polymarket CTF Positions

Polymarket's Conditional Token Framework uses ERC-1155 position tokens redeemable after resolution. This tutorial shows how to write a thin Solidity adapter contract that lets your EVM bot batch-buy, split, and redeem outcome tokens in a single transaction.

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Robinhood Chain
May 7, 2026·6 min read

Robinhood Chain vs Solana for Trading Bot Developers

Robinhood Chain vs Solana for trading bots: EVM tooling, stock-token settlement, and MEV tradeoffs bot teams need to weigh.

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