Is DeFi the next big thing of money? This emerging field is redefining how we view transactions. Blockchain empowers users to control their funds directly, without the need for central authorities. Self-executing contracts facilitate trustless exchanges across a distributed network. Considering the opportunities of DeFi, challenges remain.

Online education is rapidly/has recently/continues to expand/grow/flourish, offering unprecedented access/opportunities/possibilities to individuals/learners/students worldwide. This digital/virtual/online revolution provides/enables/facilitates a flexible/adaptable/dynamic learning environment, allowing individuals to pursue/obtain/acquire knowled