Question 1

Solana Indexer: RPC, Historical Data & Indexing Architecture

Accepted Answer

A Solana indexer ingests blockchain data—slots, blocks, transactions, and account state—and transforms it into a queryable format for applications. The core decision is ingestion: RPC polling with methods like getBlock and getSignaturesForAddress is simpler but can be rate-limited and slow for high-volume programs; Geyser plugins streaming via gRPC provide real-time, efficient access but require validator infrastructure or a managed stream service. Historical data requires a backfill strategy because streams and RPC calls can miss events during outages or reorgs. Design for checkpointing and idempotent writes so data can be replayed safely. Storage should match query patterns: relational databases for transactional queries, columnar engines for analytics. Managed indexing services such as SubQuery abstract much of this pipeline, offering GraphQL APIs and hosted storage. For production workloads, use a dedicated RPC provider or managed streams instead of public endpoints like https://api.mainnet-beta.solana.com, which are rate-limited and designed for development. OnFinality provides Solana RPC endpoints with HTTP/WebSocket and archive support—verify current options on the network page.

Question 2

Public RPC Nodes: When to Rely on Free Endpoints and When to Upgrade

Accepted Answer

Public RPC nodes are free, shared endpoints that let anyone interact with a blockchain without running their own node. They are great for prototyping and testnets but can become unreliable under production load due to rate limits and downtime. This article helps you evaluate when public RPC is sufficient and when to switch to a dedicated or private RPC service.

Question 3

Smart Contract Security Best Practices: A Developer's Checklist

Accepted Answer

Learn the essential smart contract security best practices for Solidity developers, including reentrancy guards, access control, and safe math. Discover how infrastructure choices like reliable RPC endpoints support secure deployments and monitoring.

Question 4

Blockchain API Services: How to Evaluate Options for Your Web3 Stack

Accepted Answer

Blockchain API services provide developers with access to blockchain data, transaction broadcasting, and smart contract interaction without running their own nodes. This article breaks down the main categories—RPC endpoints, data APIs, webhooks, and dedicated nodes—and offers a decision checklist to help you choose the right service for production use.

Question 5

Polkadot Validator: Build vs. Buy – Running a Node vs. Using an RPC Provider

Accepted Answer

A Polkadot validator secures the relay chain by staking DOT, validating parachain blocks, and participating in consensus. Running a validator requires significant hardware, administration, and a stake bond. For many developers and dApp operators, using a managed RPC provider eliminates the operational burden while still supporting the network indirectly.

Question 6

Blockchain Node as a Service: Key Criteria for Choosing a Provider

Accepted Answer

Blockchain node as a service (also called node-as-a-service or NaaS) lets developers access blockchain nodes without running, syncing, or maintaining their own infrastructure. Instead, a provider manages the hardware, node software, and networking, exposing API endpoints for your dApp to interact with the blockchain. This article outlines the key criteria you should evaluate when selecting a provider — from network coverage and node types to pricing and support — so you can make an informed decision for your Web3 project.

Question 7

What Are TON Nodes and When Should You Run One?

Accepted Answer

TON nodes are software clients that store the full state of The Open Network blockchain, validate transactions, and serve data to applications. Running your own node gives you direct, uncensored access to the network, but it also requires significant operational overhead. For most developers, a hosted RPC endpoint or dedicated node from a provider like OnFinality offers a faster, more reliable alternative without the maintenance burden.

Question 8

What Is a Bittensor Node and How Do You Choose the Right Setup?

Accepted Answer

A Bittensor node (subtensor) is a full blockchain node that connects to the Bittensor network, enabling you to read chain state, submit transactions, and participate in subnets. Running your own node gives you full control and privacy, but it requires significant hardware and maintenance. For many teams, using a managed RPC endpoint or dedicated node infrastructure is a more practical choice.

Question 9

Crypto Node Hosting: When to Rent Infrastructure Instead of Running It Yourself

Accepted Answer

Crypto node hosting refers to the practice of running blockchain nodes on third-party infrastructure rather than self-hosting. This article explains the build-versus-buy tradeoffs, helps you evaluate hosting options, and provides a decision checklist for choosing between self-managed servers, VPS providers, and managed node services like OnFinality.

Question 10

What is node infrastructure and how do you evaluate it for Web3 projects?

Accepted Answer

Node infrastructure refers to the hardware, software, and network components that run blockchain nodes to support decentralized applications. This guide explains the core concepts, provides a decision checklist for choosing between self-hosted and managed solutions, and offers practical evaluation criteria for developers and infrastructure buyers.

Question 11

How do Web3 bridge APIs compare for cross-chain development?

Accepted Answer

Web3 bridge APIs enable developers to integrate cross-chain asset transfers and messaging into dApps. This guide compares popular bridge APIs on criteria like supported chains, security model, latency, and developer experience, helping you choose the right one for your project.

Question 12

How to Use a Bittensor Explorer to Monitor the TAO Network

Accepted Answer

# How to Use a Bittensor Explorer to Monitor the TAO Network A Bittensor explorer is a web-based tool that lets you view live blockchain data for the Bittensor network, including blocks, transactions, extrinsics, events, and subnet activity. Unlike general-purpose block explorers, Bittensor explorers are tailored to the Subtensor chain and provide specialized views for staking, delegation, subnet tokens, and validator performance. Whether you are a miner, validator, or developer, using a Bittensor explorer is essential for tracking on-chain operations, debugging transactions, and analyzing network health. This guide covers the core features of Bittensor explorers, how to interpret key data, and how to access the Bittensor network programmatically using RPC endpoints. For developers who need reliable infrastructure, OnFinality offers managed RPC APIs and dedicated nodes for Bittensor, ensuring low-latency access to the Subtensor chain.

API Service

Dedicated Nodes

Enterprise Nodes

Indexer Services

Network Prototyping Tools

Staking & Validators

AI Agent

RPC documentation entries

Solana Indexer: RPC, Historical Data & Indexing Architecture

Public RPC Nodes: When to Rely on Free Endpoints and When to Upgrade

Smart Contract Security Best Practices: A Developer's Checklist

Blockchain API Services: How to Evaluate Options for Your Web3 Stack

Polkadot Validator: Build vs. Buy – Running a Node vs. Using an RPC Provider

Blockchain Node as a Service: Key Criteria for Choosing a Provider

What Are TON Nodes and When Should You Run One?

What Is a Bittensor Node and How Do You Choose the Right Setup?

Crypto Node Hosting: When to Rent Infrastructure Instead of Running It Yourself

What is node infrastructure and how do you evaluate it for Web3 projects?

How do Web3 bridge APIs compare for cross-chain development?

How to Use a Bittensor Explorer to Monitor the TAO Network

Never Worry about Infrastructure Again

Supported Networks

Product

Company

Resources

Blockchain Infrastructure RPC Assistant

RPC documentation entries

Solana Indexer: RPC, Historical Data & Indexing Architecture

Public RPC Nodes: When to Rely on Free Endpoints and When to Upgrade

Smart Contract Security Best Practices: A Developer's Checklist

Blockchain API Services: How to Evaluate Options for Your Web3 Stack

Polkadot Validator: Build vs. Buy – Running a Node vs. Using an RPC Provider

Blockchain Node as a Service: Key Criteria for Choosing a Provider

What Are TON Nodes and When Should You Run One?

What Is a Bittensor Node and How Do You Choose the Right Setup?

Crypto Node Hosting: When to Rent Infrastructure Instead of Running It Yourself

What is node infrastructure and how do you evaluate it for Web3 projects?

How do Web3 bridge APIs compare for cross-chain development?

How to Use a Bittensor Explorer to Monitor the TAO Network

Never Worry about Infrastructure Again

Supported Networks

Product

Company

Resources