JSON-RPC combines JSON and RPC for computer-server communication. Internal JSON-RPC error occurs when programs fail to communicate properly. Error commonly appears with MetaMask and blockchain networks
Blockchain technology is projected to add $1.76 trillion to global economy by 2030. US blockchain-related job postings increased 395% in last two years. Blockchain professionals earn over six figures in US
Ancient India was among the earliest coin issuers, alongside Chinese wen and Lydian staters. The rupiya, weighing 178 grains, was introduced by Sher Shah Suri in 1540-1545. The rupee was initially a silver coin, which faced devaluation in 1873
Solana has 29.7M fee paying accounts with median transaction fee of $0.00064. Network achieves block times of 400 milliseconds. Handles thousands of transactions per second with fees under $0.0025. Proof of stake network uses energy equivalent to few Google searches
Bitcoin launched in 2009 as decentralized digital currency. Initially controlled 87% of cryptocurrency market, now 48%+. Uses proof-of-work consensus protocol for transactions. Functions as digital currency and store of value
Hash converts arbitrary-length inputs into fixed-length encrypted outputs. Secure hashes cannot be reversed with current technology. Same data produces identical hashes using different functions