📈 30 Second Cryptocurrency Price Summary Current Bitcoin Price: $34,870 Bitcoin price is sitting just below the $35,000 to begin Wednesday, as price fails to hold above the key level. Top-20 altcoins have also wavered, as Ethereum falls a little over 1%, XRP tumbles 5% and Dogecoin slumps 7% over the last day of trading. Top Stories for June 30, 2021 🔥 Crypto market data aggregator CoinMarketCap has launched a built-in token swap feature, using the Uniswap decentralized exchange. Ethereum-based token pages on the website now feature a swap icon, which enables users to connect to a web 3.0 wallet such as MetaMask to make tokens swaps on Uniswap. CoinMarketCap has hinted that there may be more decentralized exchange integrations in the future, including the possibility of additional blockchains. CENTRE's popular stablecoin USD Coin (USDC) may be expanding to eight to ten further blockchains, according to a draft announcement by the company. Avalanche, Celo, Flow, Hedera, Kava, Nervos, Polkadot, Stacks, Tezos, and Tron are all possibilities for the expansion, which would put USDC ahead of its rival, Tether (USDT) for presence on the largest number of chains. Testing of China's digital yuan has been extended to its railway system, now being accepted for subways in Beijing, the country's capital. The city's subway system caters to an average of over 10 million people daily, and is comprised of 24 different lines and 428 stations. | 