Public key infrastructure market in global is expected to grow from US$ 1.65 Bn in 2018 to US$ 4.55 Bn by the year 2027. This represents a CAGR of 11.4% from the year 2019 to 2027. https://www.theinsightpartners.com/sample/TIPRE00006065/?utm_source=FreePlatform&utm_medium=10452