Cal Evans, Author at coinbrief.io

Chainlink’s Quiet Transformation: Why Oracles Are Becoming Crypto’s Most Critical

Cal EvansDecember 14, 2025December 14, 202504 mins

Chainlink is no longer just a price-feed provider. As blockchain applications grow more complex and interconnected, the oracle network has positioned itself as core infrastructure for multichain finance—bridging smart contracts with external data, cross-chain messaging, and institutional workflows. Early smart contracts operated entirely on a single blockchain. They issued tokens, tracked balances, and executed simple…

Flex raises $60M Series B equity round to scale its AI native “private bank” for high net worth business owners

Cal EvansDecember 4, 2025December 4, 202509 mins

Flex has closed a $60 million Series B equity round led by Portage , bringing total equity raised to $105 million. In the last year, the company has quadrupled revenue and tripled its payments volume to $3 billion as it scales its all-in-one business and personal finance platform for high-net-worth middle-market business owners. San Francisco,…

Upbit Finds Critical Wallet Flaw After $30M Hack — But Was It the Cause?

Cal EvansNovember 28, 202504 mins

Upbit has revealed that an internal wallet flaw was discovered during its emergency investigation into the $30 million breach that struck the South Korean exchange this week. While the company says the vulnerability has been patched, it has not confirmed whether the flaw played any role in the hack itself. Wallet Bug Could Have Exposed…