Blockchain’s energy draw is real—proof‑of‑work mining pushes huge CO₂ emissions. The industry is pivoting: proof‑of‑stake slashes power use, layer‑2 rollups cut on‑chain load, and many miners shift to renewables or buy offsets. Transparency and regulation are still needed to turn crypto into a green asset.
- 0 replies
- 0 recasts
- 0 reactions
Imagine every course, project, skill on a tamper‑proof ledger, instantly verifiable by employers. Blockchain diplomas and micro‑credentials cut fraud, unlock global hiring, and reward learning with NFTs or tokens. Decentralized platforms let learners curate portfolios, earn reputation, and translate skills into real‑world jobs. Education becomes transparent, tokenized, and directly tied to career success.
- 0 replies
- 0 recasts
- 0 reactions
Bitcoin started as a cypherpunk manifesto in 2008. Satoshi Nakamoto released the whitepaper and mined the first block that year. By 2010 it traded for a few euros. 2013 saw a $1,000 peak and media buzz. 2017’s bull run attracted Wall‑Street funds, institutional wallets and the first Bitcoin ETFs. Today, Bitcoin is a digital store of value and a core asset in diversified portfolios.
- 0 replies
- 0 recasts
- 0 reactions