What Is 0-Slot Landing on Solana?
0-slot landing means your Solana transaction lands in the same slot as the event it reacts to. How it works, what decides it, and how to measure it.
Notes from the infrastructure behind Solana trading.
How transactions reach the leader, how shreds and streams move, and how we run the machines. Written by the people who build them.
2026
Fix Solana RPC 429 Too Many Requests Errors
Why a Solana RPC returns 429 Too Many Requests, what web3.js does about it, and the fixes: rate limiting, Retry-After, backoff, fewer calls, streams.
Solana Bot Latency: Where Your Trade Loses Time
Time every stage of a Solana trade, from the event to confirmation: how to measure each one and what to fix. With a Node.js harness for slots to land.
Practice Mode: Paper Trade a Solana Bot Before Real SOL
Test a Solana trading bot without real money: what Practice mode simulates, what it can't show, what to check in the results, and how to go live small.
Self-Hosted vs Managed Solana RPC and Yellowstone gRPC
What running your own Solana RPC and Yellowstone gRPC node takes: hardware, snapshots, upgrades, plugin builds, failover, and when managed fits better.
Blockhash Not Found on Solana: How to Retry Correctly
What Solana's Blockhash not found and block height exceeded errors mean, why they happen, and a retry loop that never sends a trade twice. Node.js code.
Momentum, MC Breakout or Dip: Solana Bot Entry Rules
Momentum, market cap breakout or buy the dip? How three Solana bot entry rules work, their Style settings, how each goes wrong, and how to pick one.
Pump.fun Graduation Sniping: Buying the Move to PumpSwap
How Pump.fun graduation works: the curve's numbers, the move to PumpSwap, how fast the pool opens, why sniping it is hard, and a script to check a token.
SWQoS vs Jito vs a Relay: Which Solana Sender to Use
What SWQoS and staked connections are, how Jito bundles and tips work, what a relay adds, and which Solana sender fits each case. With Node.js code.
Detect New Pump.fun Tokens and Pools in Real Time
Detect new Pump.fun tokens and PumpSwap and Raydium pools: program IDs, discriminators, working gRPC code, and why bots see launches late or miss them.
Solana Copy Trading: How to Pick Wallets Worth Copying
How to pick Solana wallets to copy trade: why top-wallet lists mislead, what to check first, red flags, sizing, and a script that checks a wallet.
Managed Solana Trading Bot vs Telegram Bots: Keys and Fees
A managed Solana trading bot vs Telegram and web bots like Trojan, BONKbot, Photon, Axiom and GMGN: who holds the key, how fees work, and who each suits.
Solana DEX Arbitrage in One Transaction: How It Works
How Solana arbitrage works in one transaction: buy on one DEX pool, sell on another, the minimum-output floor, the costs, speed and a Rust sketch.
Reconnect Yellowstone gRPC Without Missing Transactions
Resume a dropped Yellowstone gRPC stream with from_slot: spot the drop, pick the resume slot, drop duplicates, handle replay errors. Rust and Node.js code.
Why Your Yellowstone gRPC Stream Lags or Misses Events
Why a Yellowstone gRPC stream falls slots behind or drops events, how to tell which, and the fixes: a fast read loop, tight filters, pings and a watchdog.
Alpenglow: What Solana RPC and gRPC Users Need to Change
Alpenglow is live on Solana mainnet. What RPC and Yellowstone gRPC users must change: confirmed vs finalized, bank_id, and votes leaving blocks.
Best Yellowstone gRPC Providers in 2026: Compared by Use Case
Yellowstone gRPC providers compared from their own docs: regions, from_slot replay, x-token auth, limits, Alpenglow bank_id, SOC 2 and dedicated plans.
Pump.fun Bonding Curve Sniper Bot: Block 0 and Real Trading
How a pump.fun bonding curve sniper bot does real trading: block-0 buys seen in shreds, relay landing, fees, failed buys, rugs, filters and TP/SL exits.
Jito ShredStream Is Shutting Down — Here's How to Migrate in Minutes
Jito's ShredStream feed shuts down September 5, 2026. Here's the full migration guide to AllenHark Jito Shreds — a drop-in replacement that keeps your keypair, your shredstream-proxy binary, and your existing pipeline intact.
Solana ShredStream Setup Guide: gRPC or UDP in 15 Minutes (2026)
Step-by-step ShredStream setup: choose between shared gRPC and direct UDP, connect with Rust or TypeScript, parse entries, and avoid the common pitfalls — with real endpoints and pricing.
How to Send Jito Bundles on Solana: Atomic Transactions Explained (2026 Guide)
What Jito bundles are, how the Block Engine and tip auction work, and how to submit atomic Solana transactions over HTTPS, QUIC, or WebSocket with AllenHark Relay — with code examples.
What Non-Custodial Copy Trading Actually Means
Most Solana copy-trading bots take custody of your funds. Here's what non-custodial really means: your own wallet, a key nobody else holds, and withdrawals that never wait on the operator.
Best White-Label Solana Validator Providers in 2026
An evaluation of the white-label Solana validator landscape in 2026 — Figment, Chorus One, Blockdaemon, AllenHark — with criteria, pros and cons, and how to pick for exchanges, wallets, funds, and LST issuers.
Fixing QUIC ALPN Error 120 on AllenHark Relay: A Complete Connection Guide
Why your QUIC client throws 'aborted by peer: the cryptographic handshake failed: error 120: peer doesn't support any known protocol' when connecting to AllenHark Relay — and the exact Rust + Python code that fixes it.
How Exchanges Add White-Label Solana Staking Without Running Nodes
A complete playbook for exchanges adding native SOL staking without becoming a validator-ops shop: integration architecture, custody flow, OFAC screening, commission and revenue economics, and how to ship inside one quarter.
MEV-Aware Delegation on Solana Validators
How MEV-aware delegation actually improves validator yields on Solana: Jito block-engine routing, tip mechanics, vote-timing optimization, leader-slot tuning, and how to evaluate whether your validator is leaving MEV on the table.
Solana Validator Security Controls: A Buyer's Guide
What to evaluate in a managed Solana validator provider's security posture — key management, slashing protection, sanctions screening, audit trails, change management, hardware isolation, and incident response.
White-Label Liquid Staking Token (LST) Setup on Solana
Operator guide for launching a branded LST on Solana backed by a dedicated validator. Covers SPL stake pools, Sanctum integration, mint authority, fee parameters, MEV-tip distribution, and the full launch timeline.
Zero-Downtime Migration: Self-Hosted to Managed Solana Validator
Five-step playbook for moving a self-hosted Solana validator to a managed provider without missing a vote. Vote-key handover, slashing-protection bookkeeping, warm catchup, hot-standby cutover, and post-migration validation.
WebSocket Streaming Comes to AllenHark Relay: Persistent Connections for Transactions and Bundles
AllenHark Relay now supports persistent wss:// connections — open one socket, stream as many transactions or bundles as you want. Less handshake overhead, lower latency, browser-native, and bundle-aware.
Solana Validator as a Service: Why White-Label Validators Make Sense in 2026
Running a Solana validator is a full-time job. AllenHark's managed validator service lets you earn staking rewards under your own brand with zero operational burden.
Why AllenHark Relay Is the Fastest Way to Land Solana Transactions in 2026
AllenHark Relay now spans 4 global regions with QUIC and HTTPS endpoints, stake-weighted broadcast, and MEV protection. Here's why traders and builders are switching.
The Fastest Way to Land Solana Transactions in 2026
A practical breakdown of every method for landing Solana transactions fast — from public RPCs to direct TPU submission — and why sender-agnostic routing wins in 2026.
How to Beat Snipers and Land Transactions Faster on Solana
Practical strategies for outpacing competing bots on Solana — from leader proximity routing to TPU direct submission and real-time leader hints.
How to Submit Transactions Directly to the Leader TPU on Solana
A technical guide to bypassing gossip and submitting Solana transactions directly to the leader validator's TPU via UDP for minimum-latency execution.
What is Slipstream? AllenHark's Sender-Agnostic Solana Transaction Relay
An introduction to Slipstream — a leader-proximity-aware transaction relay that automatically selects the fastest sender for your Solana transactions across 4 global regions.
How to Fix PumpFun Custom:6024 Overflow Error After the Cashback Upgrade
A complete guide to the February 2026 PumpFun bonding curve program upgrade that broke buy/sell transactions. Covers the new bonding_curve_v2 PDA requirement, the cashback_enabled flag, and correct account layouts.
2025
Complete Guide to AllenHark Relay: HTTP & QUIC Integration for Solana Trading
Step-by-step guide to integrating AllenHark Relay for ultra-low latency Solana transaction submission. Learn API authentication, tip validation, QUIC vs HTTP setup, and best practices for MEV trading.
Solana MEV Relay Services: A 2026 Comparison
AllenHark Relay, Jito, bloXroute, Helius Sender and 0slot compared on how each reaches the leader, regions, bundles and cost model, from their own docs.
Why QUIC Protocol Beats HTTP for Solana Transaction Relay: Technical Deep-Dive
Comprehensive technical analysis of QUIC vs HTTP/2 for Solana transaction relay. Discover why QUIC offers 50-80% latency reduction, 0-RTT handshakes, and superior performance for MEV trading.
Introducing PumpFun Sniper: First-Block Token Sniping on Solana
AllenHark launches the PumpFun Sniper bot - a high-performance trading tool that detects and trades new token launches in the first block. Download now and start sniping on shreds, before RPC confirmation.
PumpFun Sniper Technical Deep-Dive: Architecture, Performance, and ShredStream Integration
A comprehensive technical analysis of the PumpFun Sniper bot architecture, including ShredStream integration, pre-confirmation detection, AllenHark Relay optimization, and design tradeoffs.
How to Push Solana Transactions Under 500ms (Even During Congestion)
A practical guide for TypeScript HFT builders on optimizing network propagation, using QUIC, and leveraging private relays like AllenHark to bypass congestion.
Deep Dive: Solana Private Network Infrastructure (PNI)
A technical analysis of private transaction propagation, direct-to-leader injection, and how PNI bypasses public RPC bottlenecks for high-frequency trading.
Comprehensive Pump.Fun Wallet Blacklist - Protect Your Snipe Bot from Rug Pulls
Download our curated blacklist of 7,900+ pump.fun wallets known for launching rug pulls. Learn how to integrate this high-performance Rust blacklist into your Solana snipe bot for sub-microsecond wallet validation.
Solana Wallets to Block - Complete Pump.Fun Scammer Database (7,900+ Addresses)
Protect your Solana snipe bot with our database of 7,900+ pump.fun scammer wallets. Updated daily with known rug-pull addresses. Free download and REST API access.
Best Solana MEV Transaction Relay Services in 2026
A comprehensive, data-driven comparison of the top transaction relay services for Solana MEV, focusing on latency, reliability, inclusion rates, and cost-efficiency.
Optimizing High-Frequency Solana Arbitrage: Intelligent RPC Failover Strategies
A deep dive into how top HFT teams structure their Rust code to automatically reroute sendTransaction calls when primary RPCs exceed latency thresholds.
Pump.fun Create Instruction Discriminator & IDL Analysis
A comprehensive technical deep dive into the Pump.fun smart contract, focusing on the create instruction discriminator, IDL parsing, and building ultra-low latency sniper bots.
Deep Dive into Solana's QUIC Networking Protocol
A technical explanation of why Solana migrated from UDP to QUIC, how the TPU client works, and what this means for bot developers and infrastructure providers.
Understanding and Minimizing Solana RPC Latency
A comprehensive technical breakdown of latency sources in Solana RPCs, from network hops to serialization overhead, and how to optimize your setup for the lowest latency you can get.
So, You Wanna Build a Pump.fun New Token Sniper: The Definitive Rust Guide
Deep dive into building a low-latency Pump.fun sniper in Rust. Includes code examples, architecture diagrams, and why Node.js cannot compete.
Why Location Matters Most in Solana Transaction Landing
Priority fees aren't enough. Learn how the speed of light and network routing hops kill your transaction success rate, and why co-location is the only fix.
Do gRPC and Shreds Help Land Solana Transactions Faster?
Clarifying the difference between 'Reading' and 'Writing' on Solana. Why gRPC and Shreds are essential for speed but cannot send transactions themselves.
How to Land Solana Transactions in the Same Slot: A Hands-On Setup
Land a Solana transaction in the same slot as its trigger: read early, build ahead, send through a relay you keep open, and measure the slot delta.
The Infrastructure Stack for 0-Slot Solana Execution
Building a serious MEV or arbitrage bot? Here is the exact hardware, network, and software stack you need to achieve 0-slot execution on Solana.
Private Relays vs. Jito vs. Public RPC: Which Lands Faster?
A technical comparison of Solana transaction propagation methods. Why private relays outperform Jito bundles and public RPCs for 0-slot execution.
Why Your Solana Transactions Arrive Late Even With Priority Fees
Discover why high priority fees don't guarantee speed. Learn how network hops, Jito congestion, and QUIC limits cause 1-2 slot delays.
Optimizing Solana RPC Latency for HFT
An in-depth analysis of network topology, geyser plugins, and custom shred propagation techniques for minimising latency in high-frequency trading on Solana.
Cheapest Solana Shreds Provider (Updated 2025)
Accessing Solana Shreds doesn't have to break the bank. We compare the pricing of top Shreds providers to find the most affordable options.
UDP vs TCP for Receiving Shreds — Which Is Faster?
A technical deep dive into the transport protocols used for Solana Shreds. Why UDP's fire-and-forget model beats TCP's reliability for blockchain data.
Best Shreds Setup for Pump.fun Snipers
Optimize your Pump.fun sniper bot with the ultimate Shreds setup. Learn how to detect new token launches milliseconds before the crowd.
What Are Solana Shreds? Complete Beginner’s Guide
Understand the fundamental building blocks of Solana's high-speed network. Learn what Shreds are, how Turbine propagates them, and why they matter for trading.
Shreds vs gRPC vs RPC vs WebSockets - Which Is Best for Low-Latency Bots?
A comprehensive benchmark of Solana data streaming methods. Compare latency, throughput, and cost to find the best architecture for your trading bot.
QUIC vs HTTPS RPC — Which Is Faster for Solana Trading?
A detailed comparison of QUIC and HTTPS protocols for Solana trading. Discover why QUIC's 0-RTT and multiplexing offer superior latency for high-frequency trading.
Test Solana Shreds for Only $10/Day
Experiment with real-time Solana shreds for just $10 per day. The cheapest and most flexible way to access raw block data for testing.
2024
Understanding Jito Bundles & Block Building
How to effectively use Jito bundles to guarantee transaction inclusion and protect against front-running in volatile markets.