Cold Wallet Security

Crypto currencies are getting popular and there are several misunderstandings in the market. For example, since Bitcoin protocol has no “encryption” but signing with algorithms of ECDSA Signing and ECDSA Verification. Many articles mention that Bitcoin uses ECC algorithms to encrypt the transaction data, this is wrong! To protect the “Private Key” may need cryptographic encryption, but it doesn’t belong to Bitcoin Protocol therefore users need to protect the keys by themselves. Thus a digital wallet is very important for a crypto currency.

What’s the Pain - Hot Wallet Recently Gets More Problems

A Glance at Hot Wallet			A Glance at Cold Wallet
•	Always On-line		•	No Internet Connected
	-	E.g. Applet on a Smart Phone		-	E.g. An USB Dongle
•	Main Advantage		•	Main Advantage
	-	Easy to be integrated on a mobile device like mobile smart phone, notebook and desktop PC		-	The transaction private keys can be protected very well
•	Critical Disadvantage			-	Easy management without mobile phone or notebook lost headache
	-	The private keys are not easy to be protected as the complex operation environment	•	Main Disadvantage
				-	Need an extra device when people want to make transactions with crypto currencies on internet

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Cold Wallet Security

以綠色半導體技術豐富人類生活的隱形冠軍

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