## Education

**What Is Relay?**  
Relay is crosschain payments infrastructure that lets users and AI agents move any asset across 85+ blockchains instantly — no bridges, no manual steps, no custody.  
[Read more](https://testnets.relay.link/blog/what-is-relay)

**ERC-7715 and the Infrastructure Agentic Payments Need**  
ERC-7715 gives AI agents scoped wallet permissions. But permissions alone aren't enough — agents transacting across chains need crosschain execution infrastructure to actually move value.  
[Read more](https://testnets.relay.link/blog/erc-7715-agentic-payments-crosschain)

**Fastest Way to Move Crypto Between Chains**  
Moving crypto between chains used to take minutes or days. Intent-based execution has compressed that to seconds — here's how.  
[Read more](https://testnets.relay.link/blog/fastest-way-to-move-crypto-between-chains)

**What Are Agentic Payments?**  
AI agents are learning to transact autonomously — but they need payment infrastructure built for machines, not humans. Here's what agentic payments are and why crypto rails are central to how they work.  
[Read more](https://testnets.relay.link/blog/what-are-agentic-payments)

**How to Swap Crypto with Low Fees**  
Crosschain fees add up fast — gas, protocol cuts, slippage, MEV. Here's where those costs come from and how to minimize them.  
[Read more](https://testnets.relay.link/blog/how-to-swap-crypto-with-low-fees)

**What Is Chain Abstraction?**  
Chain abstraction removes the friction of thinking about which blockchain you're on — and it's changing how users interact with crypto.  
[Read more](https://testnets.relay.link/blog/what-is-chain-abstraction)

**How to Move Crypto Between Chains**  
Move any token from any chain to any chain in seconds — no account, no KYC, non-custodial.  
[Read more](https://testnets.relay.link/blog/how-to-move-crypto-between-chains)

**How to Use USDC on Multiple Chains**  
USDC exists on 15+ chains. Here's how to move it where you need it — instantly, without a centralised exchange.  
[Read more](https://testnets.relay.link/blog/how-to-use-usdc-on-multiple-chains)

**Gas Abstraction Explained: Pay Gas with Any Token**  
Gas abstraction lets you pay blockchain transaction fees with any token — no ETH required. Here's how it works and why it matters.  
[Read more](https://testnets.relay.link/blog/gas-abstraction-explained)

**Is Relay Safe? Non-Custodial Crosschain Explained**  
Relay is non-custodial — your funds are never held by a central party. Here's exactly how the protocol works and why the security model holds up.  
[Read more](https://testnets.relay.link/blog/is-relay-safe)

**Are Crypto Bridges Safe? Risks and Alternatives**  
Bridge hacks have cost users billions. Here's why they happen, what makes a protocol unsafe, and what a safer alternative looks like.  
[Read more](https://testnets.relay.link/blog/are-crypto-bridges-safe)

**Why Is Crypto Fragmented Across Chains?**  
Hundreds of blockchains, trillions of dollars of value, and moving between them is still painful. Here's why crypto is fragmented — and what's changing.  
[Read more](https://testnets.relay.link/blog/why-is-crypto-fragmented)

**What Is Crosschain Interoperability?**  
Blockchains don't naturally talk to each other. Crosschain interoperability is the infrastructure layer that connects them — here's how it works.  
[Read more](https://testnets.relay.link/blog/what-is-crosschain-interoperability)

**Crosschain vs Bridge: What's the Difference?**  
You'll hear both terms in crypto — but they mean different things. Here's how to tell them apart and why it matters.  
[Read more](https://testnets.relay.link/blog/crosschain-vs-bridge)