Learn.

Arca Wallet for Android: Dollar Wallet for Android Phones

Download Arca Wallet for Android and use a mobile dollar wallet for USDC, USDT, sending money, and compatible apps.

Arca Wallet for iPhone: Dollar Wallet for iOS

Download Arca Wallet for iPhone and use a simple iOS dollar wallet for USDC, USDT, sending money, and using compatible apps.

Best App to Hold Digital Dollars: What to Look For

Compare the features that matter in an app for holding digital dollars, including control, clarity, supported tokens, and mobile usability.

Dollar Wallet App for Holding and Sending Dollars

Download Arca, a simple dollar wallet app for holding USDC and USDT, sending dollars, and using digital dollars from your phone.

No-Bank Dollar Wallet: Hold Dollars Without a Bank Account

Use Arca as a no-bank dollar wallet to hold and send digital dollars from your phone without opening a traditional bank account.

Save in Dollars App: Keep Dollar Value on Your Phone

Use Arca as a save-in-dollars app for holding digital dollars, protecting spending power, and keeping control from your phone.

Stablecoin Wallet for Beginners: A Plain-English Dollar Wallet

New to stablecoins? Learn how Arca works as a beginner-friendly wallet for USDC and USDT, with a dollar-first mobile experience.

USDC vs USDT Wallet: Hold Both Digital Dollars in One App

Compare what to look for in a USDC and USDT wallet, why people hold both, and how Arca keeps the experience simple.

Exchange Rate Markups: Hidden Money Transfer Fees

Learn how exchange rate markups hide money transfer costs, how to compare provider rates, and how to spot the true fee.

Why Are International Transfers So Expensive?

International transfers cost an average of 6.35% globally. Learn why correspondent banking, exchange rate markups, and lack of competition keep fees high - and how to pay less.

How Digital Dollars Maintain Their Value: Understanding the Safety Behind the Peg

Learn how reserve-backed digital dollars like USDC and USDT maintain their $1 value through audited reserves, the GENIUS Act, and proper custody, plus lessons from past events.

Understanding Wallet Types: Company-Managed vs Self-Managed

Learn how company-managed and self-managed wallets work, what makes each type unique, and how to choose the right option for holding your digital dollars.

Digital Dollar Savings vs Bank Savings Accounts

Compare digital dollar savings with bank savings accounts across access, control, transfer speed, insurance, and key tradeoffs.

How to Protect Savings from Hyperinflation: Practical Strategies That Work

Learn how to protect your savings from hyperinflation with proven strategies. Compare real estate, gold, foreign currency, and digital dollars with real data from Argentina, Turkey, and Nigeria.

How to Save in Dollars from Argentina

A practical guide for Argentines who want to save in US dollars. Covers the official dollar, MEP dollar, dolar blue, and digital dollar wallets, with real costs, limits, and tradeoffs for 2026.

How to Save in Dollars from Nigeria: A Practical Guide

A step-by-step guide for Nigerians who want to save in US dollars. Covers domiciliary accounts, bureau de change, and digital dollar wallets, with real costs, access barriers, and honest tradeoffs.

USDC vs USDT: Which Is Safer for Savings?

Compare USDC and USDT reserves, transparency, peg history, regulation, and savings tradeoffs before choosing which digital dollar to hold.

How the GENIUS Act Protects Digital Dollar Holders

Learn how the GENIUS Act protects digital dollar holders through segregated reserves, priority claims, and mandatory audits, plus what past events reveal about why these safeguards matter.

What Is a Seed Phrase and Why It Matters for Your Wallet Security

A seed phrase is the master backup for your digital wallet. Learn what recovery phrases are, why they matter, how to store them safely, and what happens if you lose yours.

What Is the GENIUS Act? How the New US Law Protects Digital Dollar Holders

The GENIUS Act is the first US federal law regulating digital dollar issuers. Learn what it requires, what protections it creates for holders, and when it takes effect.

Are Digital Dollars Safe? An Honest Look at Risks and Safeguards

Digital dollars carry real risks but also real safeguards. Understand reserve backing, regulation, depegging history, and how to evaluate safety before holding digital dollars.

Countries with the Highest Inflation Right Now

Data-driven list of countries with the highest inflation rates in 2026. See what drives rising prices, how citizens cope, and how to protect your purchasing power.

How Digital Dollars Work: Value, Wallets, and Transfers

See how digital dollars hold value, move through wallet-to-wallet transfers, and differ from traditional bank transfers.

How Do International Money Transfers Work?

Learn exactly how international money transfers move from sender to recipient: SWIFT, correspondent banks, exchange rates, fees, and faster alternatives explained.

How Does Inflation Affect Savings (and What Can You Do About It?)

Learn how inflation erodes purchasing power, what happens to cash savings during high inflation, and practical ways to protect the value of your money.

How to Hold Dollars Without a US Bank Account

Learn practical ways to hold US dollars without a US bank account. Compare traditional and digital options, understand tradeoffs, and get started in 30 seconds.

How to Send Money to Someone Without a Bank

Practical guide to sending money when the recipient has no traditional banking. Compare mobile money, cash agents, and dollar wallets by cost, speed, and access.

What Are Digital Dollars? A Complete Guide to Dollar-Value Digital Currency

Learn what digital dollars are, how they work, and why over 300 million people worldwide use them. Understand the differences from physical cash and how to hold dollars from your phone.

What Is a Dollar Wallet? How to Hold and Send Dollars From Your Phone

A dollar wallet lets you hold, send, and receive US dollars from your phone without a traditional financial institution. Learn how dollar wallets work, who uses them, and how to set one up.

What Is a Remittance? How Global Money Transfers Work

Learn what a remittance is, who sends them, where they go, and why fees remain high. Covers $700B+ in annual flows and how to send dollars for less.

What Is Currency Devaluation and How Does It Affect Your Money?

Understand what currency devaluation means, why governments devalue their currencies, and how it differs from inflation. Real examples from Argentina, Nigeria, Egypt, and Turkey.

What Is Dollarization? Formal, Informal, and Digital Dollarization Explained

Learn what dollarization means, why countries adopt the U.S. dollar, and how digital dollarization is changing how people hold dollars worldwide. Real examples from Ecuador, Argentina, and Nigeria.

What Is Inflation in Simple Terms?

Inflation means prices go up and your money buys less over time. Learn how inflation works, why it happens, and what you can do to protect your savings.

Argentina's Official Dollar Access Ledger

IMF and BCRA data show how Argentina restrictions, dollar deposits, and household dollar demand connect to digital dollar access.

The IMF's Map of Dollar Restrictions

The IMF AREAER is a 4,938-page source on exchange restrictions and capital controls. See what it reveals about access to dollars.

Mexico Remittance Map: Where Dollars Flow

Banxico data shows Mexico received $61.8B in remittances in 2025 across 155.7M transfers. See why this matters for dollar wallets.

Nigeria's $8 Billion Reserve Footnote

An IMF footnote says Nigeria reserves were $8B lower under the IMF definition in Dec 2024. Here is why that matters for dollar access.

Official Sources on Dollar Access

A guide to official IMF, World Bank, and central-bank sources on dollar access, remittances, inflation, and financial inclusion.

Philippines Remittances: The Dollar Engine

BSP data shows the Philippines received a record $35.63B in cash remittances in 2025. See the dollar-access story behind the numbers.

Apps That Work With Arca Wallet

See how Arca Wallet works with compatible apps and websites for payments, wallet connections, travel, gift cards, lending, and digital-dollar flows.

Receive Dollars From Abroad With Arca

Use Arca to receive digital dollars from family, clients, or friends abroad and decide when to hold, send, or convert them.

Send Money Home With Digital Dollars

Learn how families can use Arca to send digital dollars home, compare the flow with traditional transfers, and help recipients keep dollar value.

Wallet for Freelancers Paid in Dollars

Arca helps freelancers and remote workers receive, hold, and manage digital dollar payments from clients abroad.

US to Philippines Remittance Costs Explained

The global cost of sending $200 averaged 6.36% in Q3 2025. For US to Philippines transfers, compare fees, exchange rates, speed, and payout.

US to Nigeria Remittance Costs Explained

Sub-Saharan Africa averaged 8.46% for $200 remittances in World Bank Q3 2025 data. Learn how to compare US to Nigeria transfer costs.

US to Mexico Remittance Costs Explained

Mexico averaged 4.53% as a receiving market in World Bank Q3 2025 data. Learn how to compare US to Mexico transfer costs.

Cash Pickup vs Mobile Wallet Remittances

Mobile money reached 2.3 billion registered accounts in 2025. Compare cash pickup and wallet delivery before sending money home.

Bank Transfer vs Remittance App vs Dollar Wallet

The World Bank measured the global cost of sending $200 at 6.36% in Q3 2025. Compare banks, remittance apps, and dollar wallets before you send.

How To Compare Money Transfer Apps Before You Send

Compare money transfer apps by recipient amount, exchange rate, funding method, speed, delivery, and support before sending money home.