During the last month, four out of five of the top stablecoins by market capitalization saw their valuations swell in size. At the time of writing, there's $135.4 billion in stablecoins but the top five collectively represent 94.40% of that total. While the largest stablecoin in terms of market cap increased by 2% over the last 30 days, the stablecoin DAI issued by the Makerdao protocol expanded by 22%.