Blog · Infrastructure

Infrastructure deep-dives.

60 articles on Infrastructure — how it works under the hood and how we build it.

Infrastructure

Aug 22, 2026·1 min read

Clock Synchronization for Trading Bots: Timestamps, Nonces and Incidents

Clock drift causes signature rejects, inverted logs, false timeouts, and broken cross-host reconciliation.

Read article

Infrastructure

Aug 22, 2026·1 min read

RPC Circuit Breakers for Blockchain Bots: Safe Provider Failover

A provider may answer health checks while logs, simulation, or transaction submission is degraded.

Read article

Infrastructure

Aug 17, 2026·1 min read

EVM Nonce Manager for Multi-Worker Trading Bots and Transaction Replacement

How to coordinate EVM nonces, replacement fees and crash recovery when several workers share one execution wallet.

Read article

Infrastructure

Aug 17, 2026·1 min read

Building a Reorg-Safe EVM Indexer with eth_getLogs and Checkpoints

A production design for ingesting EVM logs with bounded block ranges, canonical checkpoints and reversible derived state.

Read article

Infrastructure

Aug 17, 2026·1 min read

Yellowstone gRPC Filter Design for High-Volume Solana Indexers

How to design narrow Yellowstone gRPC subscriptions that reduce bandwidth and decoding load without silently missing relevant Solana events.

Read article

Infrastructure

Aug 15, 2026·1 min read

Solana RPC Rate Limits and Error Budgets for Trading Bots

How to design RPC concurrency, retries and provider failover around measurable error budgets instead of random endpoint switching.

Read article

Infrastructure

Aug 3, 2026·1 min read

Blockchain Indexer Development Cost: Architecture and Scope Drivers

What determines the budget for a custom blockchain indexer, from chain ingestion and decoding to reorg safety, APIs and historical backfills.

Read article

Infrastructure

Jul 31, 2026·1 min read

How to Benchmark WebSocket RPC: First Message, Gaps and Reconnects

Benchmarking WebSocket providers requires subscription quality and recovery metrics, not only handshake latency.

Read article

Infrastructure

Jul 31, 2026·1 min read

EVM RPC Benchmark Methodology: Block Lag, eth_getLogs and eth_call

A practical framework for comparing EVM providers using freshness, complex reads, reliability and tail latency.

Read article

Infrastructure

Jul 31, 2026·1 min read

Where to Host a Crypto Trading Bot: VPS Location and Latency

Choosing regions, providers and redundancy for low-latency crypto execution.

Read article

Infrastructure

Jul 31, 2026·1 min read

How to Monitor EVM RPC Block Lag and Provider Disagreement

Detecting stale or inconsistent EVM RPC providers before they corrupt trading decisions.

Read article

Infrastructure

Jul 31, 2026·1 min read

Building a Multi-Chain EVM Swap Parser

Normalizing swaps across Ethereum, Base, Arbitrum and BNB Chain without losing protocol-specific meaning.

Read article

Infrastructure

Jul 31, 2026·1 min read

Polymarket Order Book Reconstruction: Snapshots, Deltas and Reconnects

How to maintain a trustworthy local Polymarket order book through WebSocket gaps and reconnects.

Read article

Infrastructure

Jul 23, 2026·1 min read

24/7 Crypto Trading Bot Maintenance: Monitoring and Incident Response

A live trading system needs an operating model for API changes, provider outages, reconciliation failures and strategy drift after launch.

Read article

Infrastructure

Jul 23, 2026·1 min read

Trading Bot Data Pipeline Architecture: Streams, Storage and Replay

A trading pipeline must serve live decisions while preserving enough evidence to reproduce incidents and backtests without look-ahead bias.

Read article

Infrastructure

Jul 23, 2026·1 min read

What a Production Crypto Trading Bot Dashboard Must Monitor

A production dashboard is the operator control plane where stale data, failed execution and exposure must become visible before they create losses.

Read article

Infrastructure

Jun 8, 2026·5 min read

Indexing Solana Program Data: Yellowstone vs Substreams vs DIY

A production-focused comparison of Yellowstone geyser plugins, Messari Substreams, and a custom PostgreSQL pipeline for building queryable indexes of on-chain program state — covering throughput ceilings, reorg handling, operational overhead, and when each approach actually earns its complexity.

Read article

Infrastructure

Jun 5, 2026·5 min read

How Solana Shred Forwarding Affects Transaction Landing Rates

Solana's shred propagation model creates a structural advantage for anyone who knows the upcoming slot leader and routes transactions directly — bypassing general RPC and dramatically improving fill rates. Here is how the mechanics work and what actually moves the needle in production.

Read article

Infrastructure

May 21, 2026·5 min read

Building a Real-Time Solana Data Pipeline with Kafka and ClickHouse

End-to-end guide for streaming raw Solana transaction data from a geyser plugin into Kafka, transforming it, and landing it in ClickHouse for low-latency analytical queries used by trading signal engines. Covers schema design and handling slot gaps.

Read article

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.

Read article

Infrastructure

May 2, 2026·6 min read

swQoS & Staked Connections: The Solana RPC Edge Nobody Configures

Public Solana RPCs throttle your transactions during spam floods. Here's how solana staked connections and swQoS get your txs into blocks anyway.

Read article

Infrastructure

Apr 30, 2026·7 min read

sendTransaction vs Jito sendBundle: A Dual-Submission Landing Strategy

A practical guide to Solana dual transaction submission with Jito: race raw sendTransaction against sendBundle, de-dupe on-chain, and raise your land rate.

Read article

Infrastructure

Apr 29, 2026·6 min read

TPU Client & QUIC: Forwarding Transactions Straight to the Leader

A senior engineer's guide to the Solana TPU client and QUIC: forwarding signed transactions straight to the current and next slot leaders, bypassing RPC.

Read article

Infrastructure

Apr 28, 2026·5 min read

Yellowstone gRPC Connection Pooling & Stream Multiplexing at Scale

A senior engineer's guide to yellowstone grpc connection pooling: partition subscriptions, beat HTTP/2 head-of-line blocking, and stay under provider caps at scale.

Read article

Infrastructure

Apr 27, 2026·6 min read

PTP vs NTP: Time Sync for Solana HFT Bot Servers

Why PTP time sync beats NTP for trading bot servers: sub-microsecond clock discipline for honest latency attribution across colocated Solana HFT fleets.

Read article

Infrastructure

Apr 26, 2026·7 min read

NATS vs Redis Streams: Choosing a Trading-Bot Event Bus

NATS vs Redis Streams for a trading bot: a latency and durability shootout for the internal event bus fanning market data to strategy, execution and risk.

Read article

Infrastructure

Apr 26, 2026·7 min read

Jito vs Firedancer: Which Solana Client Actually Cuts Latency?

Jito vs Firedancer compared on real block-production and propagation latency — what each Solana client actually speeds up, and which to run.

Read article

Infrastructure

Apr 25, 2026·6 min read

Dedicated Solana RPC Node: Cost Breakdown & Is It Worth It?

Running a dedicated Solana RPC node on bare metal can cost $2,000–$6,000/month — we break down hardware specs, bandwidth bills, and maintenance overhead versus shared-provider pricing to help trading firms decide when to make the switch.

Read article

Infrastructure

Apr 25, 2026·5 min read

Bare Metal vs Cloud VMs for Solana Trading Nodes: Cost Analysis

A practical TCO breakdown of running a Solana RPC or validator node on Hetzner/OVH bare metal versus AWS c6i or GCP C3 instances — factoring in bandwidth costs, NVMe IOPS, and physical proximity to leader validators. Read this before you commit to managed endpoints.

Read article

Infrastructure

Apr 25, 2026·6 min read

Docker vs Bare Metal: The Real Latency Tax on Solana Bots

Measured p50/p99 numbers on Docker vs bare metal trading bot latency for Solana, plus the host networking and kernel tuning that closes the gap to near-native.

Read article

Infrastructure

Apr 25, 2026·6 min read

Yellowstone gRPC vs Solana WebSocket RPC: Streaming Compared

Yellowstone gRPC vs WebSocket RPC compared: real latency numbers, filtering, and connection stability for Solana bots needing sub-block confirmation speed.

Read article

Infrastructure

Apr 24, 2026·7 min read

OpenTelemetry Tracing for Crypto Trading Bots: End-to-End Tick-to-Trade

A field guide to OpenTelemetry trading bot tracing: span the full tick-to-trade path from Geyser event to landed transaction and attribute every millisecond.

Read article

Infrastructure

Apr 23, 2026·7 min read

How Hyperliquid's HLP Vault Actually Makes (and Loses) Money

How Hyperliquid's HLP vault earns spread and funding, absorbs liquidations, and can lose fast — with the JELLYJELLY case explained.

Read article

Infrastructure

Apr 23, 2026·6 min read

Load-Balancing Solana RPC: Weighted HAProxy & Nginx for Bot Fleets

Solana RPC load balancing with HAProxy and Nginx: latency-weighted backends across Helius, Triton, QuickNode and a self-hosted node, with failover bots never see.

Read article

Infrastructure

Apr 22, 2026·7 min read

UMA's Optimistic Oracle: How Polymarket Resolves Disputed Markets

UMA optimistic oracle explained: how Polymarket's propose-dispute-vote flow settles markets, the bond math, and how whales game DVM votes.

Read article

Infrastructure

Apr 22, 2026·6 min read

Secrets & Key Management with Vault for Crypto Trading Bots

Vault secrets management for trading bot keys: inject hot-wallet keys and API creds at runtime, sign with transit, and rotate dynamic secrets without touching disk.

Read article

Infrastructure

Apr 21, 2026·6 min read

Jupiter vs 1inch: How Solana and EVM Swap Routing Differ

Jupiter vs 1inch routing compared: how Metis and Pathfinder split orders across Solana and EVM pools, and what it costs you in fees and slippage.

Read article

Infrastructure

Apr 20, 2026·6 min read

Meteora DLMM vs Uniswap v3: Bin-Based vs Tick-Based Liquidity

Meteora DLMM vs Uniswap v3: how zero-slippage bins differ from concentrated-liquidity ticks, and which model wins for your LP strategy.

Read article

Infrastructure

Apr 19, 2026·6 min read

Flashbots MEV-Boost vs Jito Bundles: EVM and Solana MEV Compared

Flashbots vs Jito bundles compared: how MEV-Boost's PBS auction and Jito's block-engine tips differ, and what each means for searcher latency and PnL.

Read article

Infrastructure

Apr 18, 2026·7 min read

TON's Actor-Model Sharding vs EVM: Why TON Scales Differently

TON's async actor-model sharding vs EVM's atomic global state: what changes for cross-shard bot logic, and how to pick the right chain.

Read article

Infrastructure

Apr 17, 2026·5 min read

Handling Missed Slots and Reorgs in Solana Slot Subscriptions

Production bots that consume slotSubscribe or blockSubscribe feeds must handle missed slots, forks, and confirmed-to-finalized transitions without double-processing or gaps. This guide covers detection logic, gap-filling from RPC, and idempotent state updates.

Read article

Infrastructure

Mar 21, 2026·5 min read

Jito Bundles and Private Mempool: MEV Bot Infrastructure on Solana

How Jito's block engine and bundle auction work at the infrastructure level, and what your bot needs to submit competitive bundles without wasting compute. Covers tip selection, bundle landing rates, and monitoring rejected bundles.

Read article

Infrastructure

Mar 18, 2026·5 min read

Colocation for Solana Trading: Equinix Dallas vs Chicago

Leader-schedule geography matters — we compare network hops from Equinix DA11 and CH2 to the highest-stake Solana validators and show latency measurements for sendTransaction confirmation times from each facility.

Read article

Infrastructure

Mar 14, 2026·5 min read

WebSocket vs Polling for Solana Account Updates in Trading Bots

Compares accountSubscribe WebSocket subscriptions against periodic getAccountInfo polling for detecting on-chain state changes relevant to trading signals. Explains when each approach breaks down and how to combine both for resilient coverage.

Read article

Infrastructure

Feb 11, 2026·5 min read

Monitoring a Solana Trading Bot with Prometheus and Grafana

How to instrument a TypeScript or Rust trading bot to emit slot lag, RPC error rates, fill latency, and PnL into Prometheus — plus Grafana dashboards and alert rules that catch degraded RPC health and missed fills before they cost you real money.

Read article

Infrastructure

Feb 8, 2026·6 min read

Yellowstone gRPC Geyser Plugin: Complete Setup Tutorial

Step-by-step guide to compiling, deploying, and subscribing to Yellowstone's gRPC geyser plugin on a Solana validator or RPC node. Covers TLS config, slot update filters, and account change subscriptions for sub-millisecond feed delivery.

Read article

Infrastructure

Feb 7, 2026·6 min read

Solana Shreds Direct Feed: How It Cuts Trading Latency

Shred-level data arrives 200–400 ms before a block is confirmed — this guide explains how to subscribe to a shred feed, reconstruct partial slots, and act on order-book signals before competing bots see finalized state.

Read article

Infrastructure

Feb 1, 2026·5 min read

Optimizing Polymarket CLOB WebSocket Feed Latency for Bots

Deep dive into Polymarket's central limit order book WebSocket API — message schema, reconnect behavior, and techniques for reducing the time between an order book update and your bot's response. Includes a Python reference client with sub-10ms processing loops.

Read article

Infrastructure

Jan 14, 2026·5 min read

Skipping Preflight Simulation on Solana: Speed vs Safety Tradeoffs

Disabling preflight checks removes one RPC round-trip and can shave 20–80 ms off your submission latency, but exposes your bot to fee-account errors and stale blockhash reverts — we quantify the failure rates and show when the tradeoff pays off.

Read article

Infrastructure

Jan 10, 2026·5 min read

Dedicated Solana RPC Node vs Shared Endpoint for HFT Bots

A cost-benefit breakdown of running your own Solana RPC node versus paying for a premium shared endpoint when you need sub-50ms transaction submission — with real hardware specs, monthly cost estimates, and measured latency deltas.

Read article

Infrastructure

Jan 5, 2026·6 min read

Hyperliquid API Rate Limits: What They Are and How to Work Within Them

Hyperliquid enforces per-IP and per-account order rate limits that catch HFT bots off guard. We document every limit tier, show how to batch requests and manage WebSocket subscriptions, and outline the fastest failover path when you hit a 429.

Read article

Infrastructure

Dec 31, 2025·6 min read

Indexing the Polymarket CLOB WebSocket Order Feed in Real Time

Polymarket's Central Limit Order Book pushes order events over WebSocket at high frequency — this tutorial shows how to build a persistent Postgres indexer with sub-second lag, handle reconnects, and backfill gaps using the REST snapshot endpoint.

Read article

Infrastructure

Dec 21, 2025·5 min read

Building RPC Failover Architecture for Solana Trading Bots

A production walkthrough of multi-provider active-passive failover for Solana trading bots — covering health checks, circuit breakers, and automatic re-routing with HAProxy and a custom health-check sidecar so a single RPC outage never halts your strategy.

Read article

Infrastructure

Dec 16, 2025·5 min read

Hyperliquid API Latency: REST vs WebSocket for Order Management

Benchmarks Hyperliquid's REST and WebSocket order-management endpoints for place, cancel, and amend operations under varying network conditions. Provides guidance on which interface to use for market making versus directional strategies.

Read article

Infrastructure

Dec 4, 2025·5 min read

Triton One RPC Pool vs Self-Hosted Node: Which Should You Choose?

Triton's shared pool delivers impressive uptime SLAs and global PoPs but introduces shared-queue jitter under network stress — we compare real throughput, cost per request, and operational burden against a self-managed bare-metal node for a 50 rps trading workload.

Read article

Infrastructure

Nov 26, 2025·5 min read

Handling Solana RPC Rate Limits (429s) Without Killing Your Bot

A practical guide to backoff strategies, request queuing, and multi-provider failover when your trading bot hits RPC rate limits mid-session. Covers per-method quotas on QuickNode, Helius, and Triton, plus how to size your plan to actual call volume.

Read article

Infrastructure

Nov 1, 2025·5 min read

Hiring a Solana Infrastructure Engineer: What to Actually Look For

Most candidates can configure an RPC node but few understand shred propagation, geyser plugin internals, or NUMA-aware thread pinning — we outline the interview signals, take-home task design, and market-rate ranges for trading-focused infra engineers in 2025.

Read article

Infrastructure

Oct 25, 2025·5 min read

Yellowstone gRPC Streaming on Solana: Complete Setup Guide

Step-by-step walkthrough for connecting to a Yellowstone-compatible geyser plugin via gRPC to stream accounts, transactions, and slots in real time. Covers authentication, filtering by program ID, and handling backpressure in production.

Read article

Infrastructure

Oct 22, 2025·5 min read

Colocation Strategy for Hyperliquid: Is It Worth the Cost?

Hyperliquid runs validators in specific data centers — this article maps those locations, measures round-trip latency from AWS/GCP/bare-metal alternatives, and calculates the real PnL edge colocation provides for market makers and stat-arb bots.

Read article

Infrastructure

Oct 21, 2025·6 min read

Building a Multi-Provider RPC Failover Layer for Solana Bots

A single RPC endpoint is a single point of failure — we show how to build a weighted round-robin proxy in Rust that automatically routes around degraded providers, with health-check intervals tuned for HFT tolerances.

Read article