A 2011-vintage exchange with one of the cleanest security records in the business, heading toward a US stock listing.
Latin America's largest exchange, licensed by the central bank as a payment institution, with free real deposits and withdrawals.
Kraken rates higher on our rubric: 4.7 against 4.4 for Mercado Bitcoin.
Every row is from the two reviews as of their review dates, with sources on each. A check marks the side a decidable criterion favours; rows without one are information, not a score.
| Fact | Kraken | Mercado Bitcoin |
|---|---|---|
| Editorial rating | 4.7 (favoured on this row) | 4.4 |
| Published fees | From 0.25% maker, 0.40% taker | Free BRL in and out |
| Maker fee | 0.25% on Kraken Pro below $10,000 in 30-day volume, decreasing at higher tiers | Tiered from 0.015 percent to 0.7 percent by 30-day volume |
| Taker fee | 0.40% on Kraken Pro below $10,000 in 30-day volume, decreasing at higher tiers | Tiered from 0.015 percent to 0.7 percent by 30-day volume |
| Identity verification | Required | Required |
| Bitcoin-only | No | No |
| Payment rails supported | 14 | 2 |
| Countries ranked in | 127 | 1 |
| Ranks first in | 10 | 0 |
| Countries shared | 1 | 1 |
| Security record | 10 dated events, 2 incidents, latest 2026-06-30 | No record on file |
| Founded | 2011 | 2013 |
| Headquarters | San Francisco, United States | Sao Paulo, Brazil |
| Last reviewed | 2026-08-23 | 2026-08-23 |
Each country guide ranks its own roster on published fees, security record and local payment support, so the two can sit in a different order from one country to the next.
| Country | Status | Kraken ranks | Mercado Bitcoin ranks | Comparison |
|---|---|---|---|---|
| Brazil | Legal | #6 | #2 |
Dated events from each review, newest first: breaches, enforcement actions, licences, audits and proof-of-reserves publications. 1 of the 2 carry no dated record on our reviews yet.
Latest proof of reserves shows bitcoin backed at 102.9%
Kraken refuses extortion after two support staff misused internal systems
Kraken wins a MiCA licence from the Central Bank of Ireland
Kraken rates higher on our rubric: 4.7 against 4.4 for Mercado Bitcoin. The rating weighs published fees, security record and local payment support; the table above sets each beside the other so you can check the score against the facts.
Kraken: From 0.25% maker, 0.40% taker. Mercado Bitcoin: Free BRL in and out. Those are each platform's published headline rates; card purchases and instant-buy widgets cost more than the order book on both, and each review carries the full schedule.
Both are ranked in our guides for Brazil. Kraken is ranked in 127 countries in all and Mercado Bitcoin in 1; each country guide ranks its own roster, so the two can sit in a different order from one country to the next.
Kraken carries 2 incidents among 10 dated events, the latest on 2026-04-14: Kraken refuses extortion after two support staff misused internal systems. Mercado Bitcoin carries no dated security record on our review yet, a gap in our records rather than a clean bill. Both reviews list every event with its source.
Kraken: required; identity verification is required to deposit fiat and trade.. Mercado Bitcoin: required.
The full reviews: Kraken and Mercado Bitcoin, each with its sources, and every exchange we review.
Every other head-to-head Kraken or Mercado Bitcoin appears in.
Brazil