[
{
"id": "bitcoin-vector-test-1",
"title": "Bitcoin Introduction",
"text": "Bitcoin is a decentralized digital currency, without a central bank or single administrator, that can be sent from user to user on the peer-to-peer bitcoin network without the need for intermediaries.",
"source": "test-data"
},
{
"id": "bitcoin-vector-test-2",
"title": "Blockchain Technology",
"text": "Blockchain is a distributed ledger technology that maintains a continuously growing list of records, called blocks, which are secured from tampering and revision using cryptography.",
"source": "test-data"
},
{
"id": "bitcoin-vector-test-3",
"title": "Proof of Work",
"text": "Proof of work is a form of cryptographic zero-knowledge proof in which one party proves to others that a certain amount of computational effort has been expended for some purpose.",
"source": "test-data"
}
]