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Blockchain vs. Bitcoin: A Beginner’s Distinction
区块链与比特币差异（入门）
精读先不看文字，完整听一遍。
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Bitcoin is a digital currency — a specific application — while blockchain is the underlying technology that records transactions securely and transparently.比特币是一种数字货币——一种具体应用，而区块链则是安全透明地记录交易的底层技术。
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Think of blockchain as a shared, tamper-resistant digital ledger; Bitcoin uses that ledger to track who owns how many coins.可以把区块链想象成一个共享、防篡改的数字账本；比特币则利用该账本追踪谁拥有多少枚币。
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Every Bitcoin transaction is grouped into blocks, verified by network participants called miners, and added chronologically to the chain.每笔比特币交易被打包成区块，由网络参与者（矿工）验证，并按时间顺序添加至链上。
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Other blockchains, like Ethereum, support smart contracts — self-executing code that automates agreements without intermediaries.以太坊等其他区块链支持智能合约——无需中介即可自动执行协议的代码。
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Supply chains use private blockchains to trace food from farm to shelf, ensuring authenticity without revealing pricing or supplier data.供应链采用私有区块链追溯食品从农场到货架的全过程，在不泄露价格或供应商数据的前提下确保真实性。
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Healthcare systems explore blockchain for secure, patient-controlled medical records that update across hospitals without duplication.医疗系统探索利用区块链构建安全、由患者掌控的电子病历，实现跨医院实时更新且避免重复。
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Bitcoin’s design limits speed and scalability, but newer blockchains prioritize energy efficiency, privacy, or regulatory compliance instead.比特币的设计限制了其速度与可扩展性，而新型区块链则更注重能效、隐私或合规性。
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Understanding this distinction helps avoid confusion: blockchain is a tool; Bitcoin is just one thing you can build with it.厘清这一区别有助于避免混淆：区块链是一种工具，比特币只是用它构建的众多应用之一。
精读 · 大约 10 分钟
听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。
③ 学 · 重点表达
- Other blockchains, like Ethereum, support smart contracts — self-executing code that automates agreements without intermediaries. 以太坊等其他区块链支持智能合约——无需中介即可自动执行协议的代码。
- Healthcare systems explore blockchain for secure, patient-controlled medical records that update across hospitals without duplication. 医疗系统探索利用区块链构建安全、由患者掌控的电子病历，实现跨医院实时更新且避免重复。
- Bitcoin is a digital currency — a specific application — while blockchain is the underlying technology that records transactions securely and transparently. 比特币是一种数字货币——一种具体应用，而区块链则是安全透明地记录交易的底层技术。
④ 懂 · 选一选
⑤ 今天会说这一句
Other blockchains, like Ethereum, support smart contracts — self-executing code that automates agreements without intermediaries.
⑥ 跟读并录音
Other blockchains, like Ethereum, support smart contracts — self-executing code that automates agreements without intermediaries.
第一版：录下来、回听、再听标准音。系统打分以后再加。
⑦ 说 · 自己来一句
用今天的表达，自己说一句。
例子：Other blockchains, like Ethereum, support smart contracts — self-executing code that automates agreements without intermediaries.
已记下。连续天数以后会显示在课表里。
陈老师指导
课程开发中，敬请期待。成人和孩子都可以先自学听读、精读。
这边的讲解音轨还在做。想先跟着老师走完固定 30 课，可以去陈老师带读社（和自学通行不是同一份会员）。
课程开发中，敬请期待。