Guides and Overviews
Learn about core web3 development concepts including Ethereum, layer 2s, testnets, blockchain developer tools and more!

How to Get Base Sepolia ETH from a Faucet
TestnetsDecember 7, 2023

How to Migrate from Goerli to Sepolia
TestnetsNovember 7, 2023

How to Migrate from Kovan to Goerli on Optimism
TestnetsAugust 8, 2023

Goerli vs. Sepolia Testnet Comparison: Which is better?
TestnetsMarch 3, 2023

How to Get Sepolia ETH from a Faucet
TestnetsMarch 3, 2023

How to Add Sepolia to MetaMask
TestnetsMarch 3, 2023

Top Sepolia RPC Providers and Public Endpoints (2025)
TestnetsMarch 3, 2023

What is the Sepolia testnet?
TestnetsMarch 3, 2023

Optimism Bedrock Testnet Migration Guide
TestnetsJanuary 12, 2023

A Complete Guide to Ethereum's Rinkeby Testnet
TestnetsOctober 25, 2022

A Complete Guide to Ethereum's Kiln Testnet
TestnetsSeptember 26, 2022

How to Migrate from Rinkeby to Goerli on Ethereum
TestnetsSeptember 6, 2022

How to Migrate to the Arbitrum Nitro Testnet on Goerli
TestnetsJuly 29, 2022

What is the Prater testnet?
TestnetsJune 21, 2022

How to Migrate from Ropsten to Goerli
TestnetsJune 20, 2022

Kintsugi vs. Kiln testnet
TestnetsJune 9, 2022

Ethereum's Ropsten Testnet: A Complete Guide
TestnetsJune 6, 2022

What is the Kintsugi estnet?
TestnetsMay 24, 2022

How to Get Testnet ETH Using a Goerli Faucet on Ethereum
TestnetsMay 16, 2022

How to Get Testnet MATIC Using a Mumbai Faucet on Polygon
TestnetsMay 11, 2022

Polygon’s Mumbai Testnet: A Complete Guide
TestnetsMay 10, 2022

What are Testnets?
TestnetsApril 19, 2022
What builders read weekly
Get the latest insights, tutorials, and products powering top teams onchain.

Build blockchain magic
Alchemy combines the most powerful web3 developer products and tools with resources, community and legendary support.
Get your API key
