·6 min read
Bitcoin halving explained: what changes, what it does not
Bitcoin halving explained: what the 4 halvings changed in supply, the price 6 and 12 months after each, the miners' math and what to expect from the 2028 cut.
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Crypto taxes in Brazil explained: a guide for expats
Crypto taxes in Brazil explained for expats: monthly DARF, the R$35,000 exemption, 15% to 22.5% brackets, assets abroad, DeCripto and the common mistakes.
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Declaring crypto held abroad in Brazil: Law 14,754 rules
Declaring crypto held abroad in Brazil: what Law 14,754/2023 changed for foreign exchanges, the self-custody gray zone, monthly DeCripto and a worked example.
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Hidden fees of keeping crypto on exchanges: the full cost
Hidden fees of keeping crypto on exchanges: trading fees, spreads, crypto and fiat withdrawals, stablecoin conversion and a worked example with R$ 50,000.
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Is a crypto advisor worth it? Who it is for and what to check
Is a crypto advisor worth it? Who benefits, who does not, what it costs, a checklist to verify a CVM-registered advisor in Brazil and 6 questions to ask first.
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Is my crypto exchange authorized in Brazil? How to check
Is my crypto exchange authorized in Brazil: what Central Bank Resolutions 519, 520 and 521 require, who needs a license, how to check on the BCB site, deadline.
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Proof of work vs proof of stake: differences and risks
Proof of work vs proof of stake: how each validates blocks, what changed when Ethereum switched in 2022, the real risks of staking and why Bitcoin keeps mining.
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Self-custody vs exchange: where to keep crypto in 2026
Self-custody vs exchange compared by counterparty risk, fees, Brazilian tax reporting and inheritance, with the FTX and Mt. Gox cases and a rule by amount.
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Send money abroad with stablecoins from Brazil: real cost
Send money abroad with stablecoins from Brazil: a numeric comparison of R$ 20,000 by bank wire, remittance platform and USDT, plus Central Bank rules and tax.
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How to calculate crypto tax in Brazil: tool, sheet or CPA
How to calculate crypto tax in Brazil: spreadsheet, accountant and Vault Tax compared by cost, time, error risk on swaps and cost basis, DeCripto and the DARF.
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What are stablecoins: USDT vs USDC for investors in Brazil
What stablecoins are, how USDT and USDC hold their dollar peg, how BRZ and Drex differ, the real risks and how selling is taxed for investors in Brazil in 2026.
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What is a crypto vault and how to build your own
What a crypto vault is, how cold storage, multisig, time-locked, exchange and DeFi vaults actually work, when one makes sense and how to build your own safely.
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What is DeFi: uses, real risks and the rules in Brazil
What is DeFi: how decentralized finance replaces the intermediary with code, where the money sits, the risks with a named example and what Brazil requires.
Read article → - ·5 min read
Crypto-asset advisory: what it is and how it works
Understand what crypto-asset advisory is, how it works, when it makes sense to hire one, and why Vault operates without ever taking custody of your assets.
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