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

Mini App Integration for Farcaster makes it easy to setup <a href="https://miniapps.farcaster.xyz/" rel="nofollow ugc">a Farcaster Mini App</a> for your WordPress site.
<ul>
<li>Enable a Mini App for your WordPress site</li>
<li>Set button text, splash screen background color, and splash screen icon</li>
<li>Validate your Farcaster manifest config</li>
<li>Subscribe users to notifications through the Mini App</li>
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This plugin is developed in public on <a href="https://github.com/davisshaver/frames-integration-for-farcaster" rel="nofollow ugc">Github</a>, where the source code can be accessed. Pull requests, feature ideas, and other feedback welcome.

Mini App Integration for Farcaster

Mini App Integration for Farcaster connects your WordPress site to Farcaster.

Layer Crypto Checkout – Crypto Payments for WooCommerce vs Mini App Integration for Farcaster