Proof of work validates transactions on a blockchain by miners solving hash puzzles. Bitcoin uses proof of work, rewarding miners with coins for adding blocks. Proof of stake offers a less ...

Learn how a condor spread limits gains and losses in options trading. Discover types, profit scenarios, and strategic ...

Learn about trading legs in derivatives strategies, their roles, and types, including long straddles, collars, and iron ...

Merchant banks specialize in services for mid-sized firms needing international financing and underwriting. They differ from investment banks by not handling huge transactions like IPOs or mergers.