Learn.
Guides on digital dollars, sending money, saving in dollars, and understanding inflation.
Download
View all →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.
Fees & Costs
View all →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.
Guides
View all →Can You Send Money Internationally on Weekends?
Yes, but the timing depends on the route. Compare weekend bank wires, remittance apps, and digital dollar transfers that can settle any day.
Fastest Way to Send Money Internationally
A clear guide to the fastest ways to send money across borders in 2026, from bank wires and remittance apps to digital dollar wallets, with honest tradeoffs on speed, cost, and reliability.
How to Save in Dollars from Bangladesh
A practical guide for Bangladeshis who want to save in US dollars. Covers foreign-currency accounts, money changers, physical cash, and digital dollar wallets, with real costs and honest tradeoffs for 2026.
How to Save in Dollars from Brazil
A practical guide for Brazilians who want to save in US dollars. Covers dollar brokerage accounts, exchange houses, US-based options, and digital dollar wallets, with real costs and honest tradeoffs for 2026.
How to Save in Dollars from Colombia
A practical guide for Colombians who want to save in US dollars. Covers dollar accounts and brokerage products, exchange houses, US-based options, and digital dollar wallets, with real costs and honest tradeoffs for 2026.
How to Save in Dollars from Egypt
A practical guide for Egyptians who want to save in US dollars. Covers foreign-currency bank accounts, the exchange-bureau and parallel market, physical cash, and digital dollar wallets, with real costs and honest tradeoffs for 2026.
How to Save in Dollars from Pakistan
A practical guide for Pakistanis who want to save in US dollars. Covers foreign-currency bank accounts, the exchange-company and open market, physical cash, and digital dollar wallets, with real costs and honest tradeoffs for 2026.
How to Save in Dollars from Turkey
A practical guide for people in Turkey who want to save in US dollars. Covers foreign-currency bank accounts, the FX bureau market, physical cash, and digital dollar wallets, with real costs and honest tradeoffs for 2026.
Why Do International Transfers Take Days?
A plain-language explanation of why cross-border bank transfers take days to arrive, from SWIFT messaging and correspondent banks to compliance checks and business-day settlement, plus the faster alternatives.
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 (2026)
See the countries with the highest inflation rates in 2026, the drivers behind price rises, and the official sources behind the ranking.
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
Send money to someone without a bank account by comparing mobile money, cash agents, dollar wallets, speed, and access. 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.
Research
View all →Currencies Losing Value Against the Dollar (2021-2026)
A neutral data reference showing how selected currencies moved against the US dollar over five years, with approximate exchange rates and the value each lost.
Remittance Statistics 2026: The Numbers That Matter
A data reference on global remittances in 2026, drawn from World Bank and KNOMAD primary sources, covering totals, top recipients, costs, and dependence.
The True Cost of Sending $200 by Country
What it really costs to send $200 in remittances, broken down by destination using World Bank Remittance Prices Worldwide data, with dollar costs per corridor.
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.
IMF Dollar Restrictions by Country: AREAER Explained
See what the IMF AREAER tracks about foreign-exchange restrictions, capital controls, and access to dollars by country.
Mexico Remittance Market: 2025 Data and Trends
Banxico data on Mexico's remittance market: $61.8B received in 2025, transfer volumes, payout channels, and US-to-Mexico costs.
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.
Use Cases
View all →Accept Dollar Payments as a Small Business
A practical guide for small businesses and merchants that want to accept digital dollar payments from customers using Arca, with honest notes on fees and limits.
Dollar Wallet for Digital Nomads
How digital nomads can hold income in dollars, get paid across borders, and convert on their own terms with Arca, plus an honest look at fees and limits.
Dollar Wallet for International Students
How international students can receive, hold, and manage digital dollars with Arca while studying abroad, with honest notes on fees and what a wallet can and cannot do.
Pay International Contractors in Dollars
A practical guide for small businesses that want to pay overseas contractors in digital dollars using Arca, with honest notes on fees and tradeoffs.
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.
Blog
View all →Stablecoin Remittance Apps: Sending Money Home
World Bank put $200 remittance costs at 6.36% in Q3 2025. Compare stablecoin remittance apps, fees, cash-out, and recipient readiness before sending money home.
Arca vs Coinbase Wallet
Coinbase Wallet is a full self-custody crypto wallet for many assets and dapps. Arca is built to hold and send dollars simply. Compare both honestly.
Arca vs MetaMask
MetaMask is the best-known wallet for Ethereum and DeFi. Arca is built to hold and send digital dollars simply. Compare what each is really for.
Arca vs Phantom
Phantom is a popular multi-chain crypto wallet known for Solana, swaps, and NFTs. Arca is built to hold and send digital dollars simply. Compare both.
Arca vs Trust Wallet
Trust Wallet is a popular multi-chain crypto wallet for many assets. Arca is built to hold and send digital dollars simply. Compare both honestly.
Arca vs MoneyGram
MoneyGram pairs a wide cash network with a low rate markup. Arca sends digital dollars app-to-app with no network fee. Compare both honestly.