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@ -200,7 +200,7 @@ physically securing a printed copy of the key seed. A seed
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that is printed on paper is called a "paper backup," and
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many wallets can create them.
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Keeping bitcoins
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offline is called _cold storage_ and it is one of the most effective
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offline is ((("cold storage")))called _cold storage_ and it is one of the most effective
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security techniques. A cold storage system is one where the keys are
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generated on an offline system (one never connected to the internet) and
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stored offline either on paper or on digital media, such as a USB memory
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@ -208,7 +208,7 @@ stick.
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==== Hardware Signing Devices
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In the long term, Bitcoin security may increasingly take the
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In the ((("hardware signing devices")))long term, Bitcoin security may increasingly take the
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form of tamper-proof hardware signing devices. Unlike a smartphone or desktop
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computer, a Bitcoin hardware signing device only needs to hold keys and
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use them to generate signatures. Without general-purpose software to
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