A sidechain is a blockchain ledgerA blockchain ledger is a digital ledger of cryptocurrency transactions organized into blocks. Each block in a blockchain ledger contains... Read More running in parallel to a primary blockchainThe primary blockchain is the first and most important chain in a blockchain network. The primary blockchain differs from sidechains... Read More. A two-way link between the primary blockchainAs a distributed ledger technology (DLT), a blockchain is a digital ledger that can create an immutable record of transactions.... Read More and the sidechain allows the sidechain to operate independently of the primary blockchain, using its own protocols or ledger mechanisms. Cryptocurrencies on the sidechain are connected to the main chainA chain is a linear sequence of data blocks. Each block contains a cryptographic hash of the previous block and... Read More via a two-way link, allowing users to transfer their assets to and from the primary blockchain. Sidechains facilitate different transactionA transaction is a record of an event that occurred in the past. Transactions typically occur during the course of... Read More types to occur on separate chains, promoting blockchain scalability.