Swapo Finance Blog
Regulation, security, stablecoins and international payments.
News, analysis and guides on USDT, the TRON network, Pix and FX for companies that pay suppliers abroad, written by the Swapo editorial team with a source for every number.
- 56 articles since Nov 2026
- Updated
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Mercado Bitcoin hack: $11.2 million frozen, withdrawals halted and pledge to cover customer losses
The main withdrawals in the Mercado Bitcoin hack occurred early on Nov. 2 across at least ten networks. The exchange says it froze $11.2 million and promises no customer will lose assets. Deposits and withdrawals remain suspended, with no date for resumption.
Latest
Binance hack: more asset withdrawals reopen Nov. 3 as company says it has covered 95% of losses
Binance reopened withdrawals for more assets and networks Tuesday (3), five days after the estimated US$ 6.3 billion hack. USDT on TRON was already in the first phase, on Nov. 1. The FBI blames North Korea, which denies responsibility.
How to tell if a crypto broker or intermediary applied for Central Bank authorization: where to check and red flags
Ten days remain until the October 30 deadline. Before sending money, a client can check a virtual asset provider's regulatory status using what the rule itself requires it to show and the Central Bank's notices.
BCB Resolution 589: From Nov. 6, Banks Cannot Support Operations With Crypto Providers Lacking Authorization
The September 23 rule removed from Article 91 the carve-out for providers "in the authorization process" and moved the ban to November 6. Here is what the official text says and what customers should check.
Coinext, NovaDAX and Digitra.com end retail crypto in Brazil ahead of the BCB deadline: what to do with your balance
Three exchanges announced the end of service to individuals in Brazil under the Central Bank's rules. Withdrawal deadlines vary, and any balance left in the account may be converted into reais automatically.
Brazil's Central Bank got only five crypto authorization applications 40 days before the deadline, and one was denied
By mid-September 2026, only five companies had filed an authorization application with the Central Bank of Brazil, according to Valor Econômico. Four remain under evaluation and one was denied. What happens to those who do not apply by October 30, and what customers should do.
Accounting for USDT supplier payments: what to record, which documents to keep and what Brazil's tax authority asks
Paying a foreign supplier in USDT creates its own paper trail: reais, exchange rate, hash and supplier document. See what to keep, what Brazil's tax authority already requires and what still needs an accountant's opinion.
Buying USDT to pay a supplier: P2P, exchange, OTC desk or intermediary, and what changes with each route
P2P, exchanges, OTC desks and intermediaries solve the same problem in different ways. See what each route requires, where the risks are and what the Central Bank of Brazil rules in force since February changed.
Crypto attacks in the first half of 2026: US$1.3 billion lost, Drift and Kelp DAO, and the patterns behind them
Two April attacks, on Drift and Kelp DAO, made up almost 44% of the half-year's losses. CertiK's report shows wallet compromise and social engineering lead the damage.
DeCripto: the Federal Revenue Service's new crypto-asset declaration takes effect on July 1, 2026
RFB Normative Instruction 2,291/2025 replaces the crypto-asset declaration created in 2019 with a model aligned to the OECD standard. What changes for providers, companies and individuals starting Wednesday.
Documents to pay an overseas supplier with USDT: what to gather before the transaction
Since 2026, paying an overseas supplier with a stablecoin is a foreign exchange operation, and the provider asks for the purpose and the recipient's details. What your company should have on hand before sending.
USDT or USDC: issuer, reserves, regulation and networks compared for international payments
Two digital dollars, two issuers and two reserve designs. The public data on each, side by side, with source and date, with no scoring and no ranking.
Stablecoins in the FX market: what took effect on May 4, 2026 under BCB Resolution 521
The second phase of BCB Resolution 521 took effect on May 4, 2026: the purpose of the payment, data on the payer or recipient abroad, and monthly reporting of information to the Central Bank of Brazil.