12/10/2019 · Kraken found that Keepkey devices have an issue related to their microcontrollers. The exchange noted that people with physical access to victims’ crypto wallets could use specialized hardware to read their encrypted seeds. For that, the attacker would also need to crack the wallets’ pin code through brute force. Update October 2019: Kraken had extended its leverage for up to 50x for eligible traders on Kraken futures. How to open a margin position on Kraken. Opening a position happens when the user receives advanced funds (the margin) which will help them execute a leveraged trade. A Investing.com Brasil ofecere Cotações Gratuitas em Tempo Real, Câmbio, Gráficos Streaming, Notícias Financeiras, Dados do Mercado de Ações e mais.