Welcome to TechCrunch Crypto, formerly known as Chain Reaction. Here’s what was the biggest news this week: bitcoin’s price jumped over $60,000 and Coinbase’s app crashed, Telegram rolled out a plan to pay out rewards using toncoin on the TON blockchain and Nigerian crypto users faced difficulties with some exchanges. This week the crypto market was very hyped up as the two biggest cryptocurrencies by market capitalization, bitcoin and ether, both jumped about 23.6% and 18%, respectively, on the week, according to CoinMarketCap data.