<prompt> Akaretsa tokomane ka polelo e le ngoe.The blockchain ke thekenoloji ea ledger e ajoang e qalileng ho sebelisoa ho matlafatsa thepa ea dijithale, Bitcoin. The blockchain ke mokhoa o bonolo oa ho hlalosa mokhoa oa ho boloka rekoto o bolokehileng, o pepeneneng, o sa fetoheng, o sa fetoheng, o fanang ka tsepo le tsepo ho basebelisi kaha ha ho na bukana ea data e bohareng e bolokiloeng.  <response>: Instruction in English: Summarize the document to one sentence. . Response in English: The blockchain is a secure and reliable distributed ledger technology, first used for Bitcoin, that provides a tamper-proof, transparent, and immutable record-keeping system. . Response in Sesotho: The blockchain ke thekenoloji e sireletsehileng le e ka tšeptjoang ea ledger, e sebelisitsoeng pele bakeng sa Bitcoin, e fanang ka mokhoa oa ho boloka litlaleho, o pepeneneng, le o sa fetoheng. 