ACH vs. EFT: How They Compare and a Better Way

ACH vs EFT: How They Compare And A Better Way

Lightspark Team
Jun 1, 2025
4
 min read

Payment rails are the infrastructure that enables the transfer of money between banks, payment service providers, and other financial institutions. For businesses, choosing the right payment rail depends on factors like speed, cost, geography, and customer satisfaction.

ACH (Automated Clearing House) and EFT (Electronic Funds Transfer) are two common types of payment rails. Lightspark is trying to move past these traditional payment rails by introducing the 'Money Grid', a global, open payments network powered by Bitcoin.

The Payment Rail Landscape

Payment rails are crucial for transferring money between parties. However, current systems can be slow, fragmented, and costly, often leading to inefficiencies and higher expenses for businesses and consumers alike.

Understanding ACH and EFT

How ACH Works

The Automated Clearing House (ACH) operates as an electronic funds-transfer system managed by Nacha. It processes large volumes of credit and debit transactions in batches, serving as a financial hub for moving money between bank accounts. The process begins with an originator initiating a payment, which is collected by their bank (ODFI) and grouped into batches. These batches are sent to an ACH operator (Federal Reserve or clearinghouse), which sorts and forwards them to the recipient's bank (RDFI). The recipient's account is then credited or debited. The ACH network uses electronic data interchange (EDI) technology for secure, efficient transaction processing.

Strengths and Limitations of ACH

Strengths

  • Makes online transactions quick and easy by batching and processing them at specific intervals throughout the day.
  • Provides same-day banking transactions, with recent rule changes allowing for most ACH transactions to settle on the same business day.
  • Cost-effective compared to other methods like wire transfers, with some ACH transfers being free or costing only a few dollars.

Limitations

  • Banks may limit transaction amounts, requiring multiple transactions for larger sums.
  • Not all transactions are instant, with some taking one to two business days to settle.
  • Primarily a U.S.-based system, limiting its usefulness for international transactions without using global ACH or other methods.

How EFT Works

An Electronic Funds Transfer (EFT) is a digital transfer of money from one bank account to another, bypassing the need for paper documents or manual intervention. The process involves the sender initiating the transfer online, via a payment terminal, ATM, or phone. The request is transmitted through secure digital networks to the sender’s bank, which processes and forwards it to the receiver’s bank. The receiver’s bank then credits the recipient’s account. EFT relies on electronic systems and secure communication channels, ensuring efficient and safe transactions typically completed within a couple of days.

Strengths and Limitations of EFT

Strengths

  • Speed and Reliability: EFT transactions are generally fast and reliable, with most payments completed within a couple of days.
  • Cost-Effectiveness: EFT reduces costs associated with paper checks, postage, and manual processing, making it a cost-effective solution for businesses.
  • Global Reach: EFT enables international payments, allowing businesses to reach customers worldwide and support global e-commerce.

Limitations

  • Internet Risks: While generally secure, EFT transactions over the internet can still be vulnerable to certain risks.
  • Processing Time: Some EFT methods, like ACH, may take an extra day or two to process due to additional security steps.
  • International Fees: Foreign transaction fees and exchange rates can increase costs and complicate bookkeeping for international EFT payments.

ACH and EFT Compared

Transaction Speed

ACH transactions typically take one to two business days to process, though same-day ACH is available for faster settlement. EFT speeds vary widely; some EFTs, like debit card payments, are nearly instantaneous, while others, like wire transfers, can take up to two business days. Lightspark offers real-time, instant transactions, surpassing both ACH and traditional EFT speeds.

Fees

ACH transfers are generally low-cost, with some being free or costing just a few dollars. EFT fees vary significantly depending on the type, ranging from a few dollars for ATM transactions to up to $50 for international wire transfers. Lightspark emphasizes low-cost transactions, eliminating hidden fees and reducing costs compared to traditional methods.

Cross-Border Capabilities

ACH is primarily a U.S.-based system, with limited cross-border capabilities unless using global ACH. EFTs include international options like wire transfers and global ACH, making them more versatile for international transactions. Lightspark supports over 140 countries and 120 currencies, offering seamless cross-border payments.

Security Protocols

ACH transactions are regulated by Nacha and generally secure, though specific security protocols are not detailed. EFTs use encryption and secure networks, but security varies by type. Lightspark leverages Bitcoin’s decentralized foundation for enhanced security, ensuring transactions are both secure and efficient.

Operational Hours

ACH operates on business days with specific submission windows for processing. EFT availability varies; some types, like ATM transactions, are available 24/7, while others depend on banking hours. Lightspark offers 24/7 operational capabilities, allowing transactions to be processed at any time, without downtime.

How ACH And EFT Are Used

Payroll

ACH is commonly used for payroll, with 93% of U.S. workers receiving paychecks via direct deposit. EFTs like wire transfers can be used for urgent payments but are costlier. Lightspark offers instant, low-cost payroll processing, reducing float and operational costs for businesses.

Bill Payments

ACH is ideal for recurring bill payments due to its low cost and batch processing. EFTs, such as credit card transactions, offer real-time payments but at higher fees. Lightspark provides real-time, low-cost bill payments, enhancing customer satisfaction with instant transaction confirmations.

International Transfers

EFTs like wire transfers are used for international payments but can be expensive and slow. ACH is limited to domestic transfers. Lightspark supports over 140 countries and 120 currencies, offering instant, low-cost cross-border payments, making it a superior choice for global transactions.

Peer-to-Peer Payments

EFTs, including digital wallets, offer near-instant peer-to-peer payments but may incur fees. ACH is less suitable due to slower processing times. Lightspark enables instant, low-cost peer-to-peer transactions, leveraging the Lightning Network for seamless and efficient money transfers.

Time for a New Standard

Lightspark intro image

Lightspark is a global payments infrastructure company that enables real-time, cross-border money movement using Bitcoin, fiat, and stablecoins. Compared to ACH and EFT, Lightspark offers instant settlement, lower fees, and 24/7 availability, making it a superior choice for modern financial transactions.

  • Built on Bitcoin: Lightspark’s infrastructure leverages Bitcoin’s decentralized foundation for secure, fast, and low-cost payments.
  • Instant Settlement: The platform enables real-time payments, eliminating delays and ensuring immediate transaction completion.
  • Lower fees: Lightspark provides payments at a fraction of current costs, with no hidden fees, reducing operational expenses.
  • Cross-border security by default: Designed for seamless, reliable international payments, Lightspark ensures secure transactions across borders.

A Modern Infrastructure

For businesses looking to transcend traditional payment systems like ACH and EFT, Lightspark offers a suite of advanced solutions:

  • Wallets: Build feature-rich digital wallets with flexible custody options, supporting Bitcoin, Lightning Network, and stablecoins.
  • Digital Banks: Connect to the 'Money Grid' for real-time, global payments, helping digital banks expand and stay competitive.
  • Exchanges: Easily integrate with the Bitcoin Network to offer instant Bitcoin transfers and lower operational costs.
  • Stablecoins: Use Spark to create, distribute, and monetize stablecoins on the Bitcoin network quickly and efficiently.

Emerging technologies and evolving regulations are reshaping the future of payments, making them faster, more secure, and cost-effective. Lightspark enables real-time, low-cost global payments, bridging traditional and digital finance. Don’t just choose between two outdated options—upgrade to a payment rail built for the internet age. Learn more or book a demo.

Build the Future of Payments on Bitcoin

Lightspark helps digital banks, wallets, and developers deliver fast, borderless money movement — with Bitcoin as the settlement layer.

Book a Demo

FAQs

What does ACH mean?

The Automated Clearing House (ACH) is a network used to electronically transfer money between bank accounts. Managed by Nacha, it processes large volumes of credit and debit transactions, facilitating efficient and timely financial transactions in the U.S.

What does EFT mean?

An electronic funds transfer (EFT) is a digital money movement from one bank account to another, independent of bank employees. This method is simple, accessible, and eliminates the need for paper documents, making it a predominant choice for money transfers.

What is Lightspark?

Lightspark provides payments infrastructure for digital banks, wallets, and exchanges, enabling real-time, global money movement for Bitcoin, fiat, and stablecoins. It connects businesses to the 'Money Grid', a global payments network built on Bitcoin’s decentralized foundation.

What is the Lightning Network?

The Lightning Network is a Bitcoin Layer 2 protocol that facilitates instant, low-cost transactions. It enables real-time, global money movement for Bitcoin, fiat, and stablecoins, addressing inefficiencies in the traditional financial system by providing seamless, reliable payments across borders.

What are the benefits of the Lightning Network?

The Lightning Network enables real-time, global money movement for Bitcoin, fiat, and stablecoins, offering instant, secure, and low-cost cross-border payments. It reduces costs, eliminates delays, and supports scalability, making it ideal for digital banks, wallets, and exchanges.