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ስለBitcoin
Bitcoin is the first decentralized cryptocurrency. Based on a free-market ideology, bitcoin was invented in 2008 by Satoshi Nakamoto, an unknown person. Use of bitcoin as a currency began in 2009, with the release of its open-source implementation. In 2021, El Salvador adopted it as legal tender. It is mostly seen as an investment and has been described by some scholars as an economic bubble. As bitcoin is pseudonymous, its use by criminals has attracted the attention of regulators, leading to its ban by several countries as of 2021.
Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight. Consensus between nodes is achieved using a computationally intensive process based on proof of work, called mining, that secures the bitcoin blockchain. Mining consumes large quantities of electricity and has been criticized for its environmental impact. Wikipediaስለዩኤስ ዶላር
ዶላር የ አሜሪካ የመገበያያ ገንዘብ መጠሪያ ነው። ከሌሎች ሃገሮች ዶላር ለመለየት $ ምልክት ይጠቀማል። ይህ የመገበያያ ገንዘብ በ አሁኑ ጊዜ እንደ የአለም መገበያያ ተደርጎም ይወሰዳል። ይህም ሊሆን የቻለው ብዙ የአለም ሃገሮች ዶላርን እንደ ዋና መገበያያ ገንዘብ ስለሚጠቀሙ ነው። ቁጥራቸው ቀላል የማይባል ሃገራትም ዶላርን እንደ ሁለተኛ መገበያያ ገንዘብነት ይጠቀሙበታል። Wikipedia