Cryptocurrency ownership depends entirely on private keys, and losing them means losing access to your assets permanently. With hot wallets exposed to phishing, malware, and exchange failures, the risks of online storage are real. Cold wallets offer a more secure solution by keeping private keys offline, making them essential for long-term protection and peace of mind.
Blockchain nodes verify transactions, store the complete history of the ledger, and ensure that rules are followed across the network without relying on any central authority. By running a node, users help maintain transparency, resist censorship, and keep the system independent — core principles that define the value of blockchain technology.
Polygon is a multi-chain system designed to address Ethereum's limitations. Originally launched as Matic Network in 2017, Polygon has evolved into a Layer 2 scaling solution that maintains Ethereum's security while improving its performance.
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