layercryptocheckout

Layer Crypto Checkout enables WooCommerce stores to accept cryptocurrency payments through MetaMask or WalletConnect. Payments are processed on Layer 2 networks for minimal transaction fees.
<h4>Key Features</h4>
<ul>
<li>Multi-Network Support – Accept payments on Ethereum, Base, Optimism, and Arbitrum</li>
<li>ETH & USDC Payments – Customers can pay with native ETH or USDC stablecoin</li>
<li>Non-Custodial – Payments go directly to your wallet. We never hold your funds</li>
<li>Low Fees – Layer 2 networks offer transaction fees under $0.01</li>
<li>On-Chain Verification – Every payment is verified on blockchain before order completion</li>
<li>Real-Time Conversion – Automatic fiat to crypto conversion at checkout</li>
<li>Test Mode – Test on testnets before going live with real payments</li>
</ul>
<h4>How It Works</h4>
<ol>
<li>Customer selects “Pay with Crypto” at checkout</li>
<li>Customer connects their MetaMask or WalletConnect wallet</li>
<li>Customer chooses network (Base, Optimism, Arbitrum, or Ethereum)</li>
<li>Customer chooses payment method (ETH or USDC)</li>
<li>Payment is sent directly to your wallet via smart contract</li>
<li>Order is completed after on-chain verification</li>
</ol>
<h4>Supported Networks</h4>
Mainnets (Live Payments): 
* Ethereum Mainnet 
* Base 
* Optimism 
* Arbitrum One
Testnets (Testing): 
* Ethereum Sepolia 
* Base Sepolia 
* Optimism Sepolia 
* Arbitrum Sepolia
<h4>Security</h4>
<ul>
<li>Immutable Smart Contract – Contract code cannot be changed after deployment</li>
<li>Reentrancy Protection – Built-in guard against reentrancy attacks (OpenZeppelin standard)</li>
<li>Replay Attack Protection – Each payment is unique and cannot be reused</li>
<li>Open Source & Verified – Contract source code is publicly verified on all block explorers</li>
</ul>
<h4>Platform Fee</h4>
A 1% platform fee is applied to each transaction to support ongoing development and maintenance.
<h3>External Services</h3>
This plugin connects to the following external services:
<h4>CoinGecko API</h4>
Used to fetch real-time cryptocurrency prices for ETH and USDC conversion. 
– Data sent: Currency code (EUR, USD, GBP, etc.) 
– When: During checkout to calculate crypto amount 
– Service: https://www.coingecko.com 
– Terms: https://www.coingecko.com/en/terms 
– Privacy: https://www.coingecko.com/en/privacy
<h4>ExchangeRate-API</h4>
Used to fetch fiat currency exchange rates for USDC payments. 
– Data sent: Base currency code 
– When: During checkout for non-USD currencies 
– Service: https://www.exchangerate-api.com 
– Terms: https://www.exchangerate-api.com/terms 
– Privacy: https://www.exchangerate-api.com/terms
<h4>CryptoCompare API (Fallback)</h4>
Used as fallback when CoinGecko is unavailable. 
– Data sent: Currency code 
– When: Only if primary price API fails 
– Service: https://www.cryptocompare.com 
– Terms: https://www.cryptocompare.com/terms-conditions 
– Privacy: https://www.cryptocompare.com/privacy-policy
<h4>Blockchain RPC Endpoints</h4>
Used to verify on-chain transactions and read smart contract data. 
– Data sent: Transaction hashes, smart contract read calls (no personal data) 
– When: After payment submission to verify transaction on blockchain
The plugin uses the following public RPC providers:
PublicNode (Ethereum Sepolia Testnet) 
– URL: ethereum-sepolia-rpc.publicnode.com 
– Service: https://www.publicnode.com 
– Terms: https://www.publicnode.com/terms 
– Privacy: https://www.publicnode.com/privacy
LlamaNodes (Ethereum Mainnet) 
– URL: eth.llamarpc.com 
– Service: https://llamarpc.com 
– Terms: https://llamarpc.com/terms 
– Privacy: https://llamarpc.com/privacy
Base Network (Coinbase L2) 
– URLs: mainnet.base.org, sepolia.base.org 
– Service: https://base.org 
– Terms: https://base.org/terms-of-service 
– Privacy: https://base.org/privacy-policy
Optimism Network 
– URLs: mainnet.optimism.io, sepolia.optimism.io 
– Service: https://optimism.io 
– Terms: https://optimism.io/terms 
– Privacy: https://optimism.io/privacy
Arbitrum Network 
– URLs: arb1.arbitrum.io, sepolia-rollup.arbitrum.io 
– Service: https://arbitrum.io 
– Terms: https://arbitrum.io/tos 
– Privacy: https://arbitrum.io/privacy
<h4>WalletConnect</h4>
Optional wallet connection service for connecting crypto wallets. 
– Data sent: Connection requests, transaction signing requests 
– When: When customer chooses WalletConnect option 
– Service: https://walletconnect.com 
– Terms: https://walletconnect.com/terms 
– Privacy: https://walletconnect.com/privacy

Layer Crypto Checkout – Crypto Payments for WooCommerce

Accept ETH and USDC payments via MetaMask or WalletConnect on Layer 2 networks (Base, Optimism, Arbitrum) with low fees.

Davis Shaver

Providing a <a href="https://login.xyz/" rel="nofollow ugc">Sign-In With Ethereum</a> experience for <a href="https://wordpress.org/" rel="ugc">WordPress</a> using <a href="https://www.npmjs.com/package/@rainbow-me/rainbowkit" rel="nofollow ugc">RainbowKit</a>.
<ul>
<li>Allow users to log in with Ethereum</li>
<li>Style the login form to match your site</li>
<li>Insert a RainbowKit Login block anywhere you can insert a block</li>
<li>Enable cool mode for a fun experience 😎</li>
<li>Set required token balance for login</li>
<li>Sync ENS text records to WordPress user profile</li>
<li>Assign roles to users based on ERC-1155 token ownership</li>
</ul>
Want to try it out? <a href="https://wp-rainbow.davisshaver.com/wp-login.php" rel="nofollow ugc">Head here.</a>

RainbowKit Login (Web3 Integration for Sign-In With Ethereum)

Sign-In With Ethereum for WordPress, powered by RainbowKit.

Layer Crypto Checkout – Crypto Payments for WooCommerce vs RainbowKit Login (Web3 Integration for Sign-In With Ethereum)