is this ok to have so many blocks / min?
1686205 2018-10-19 17:44:40 (10 minutes ago) 7542 4 92228410a92dc14bad88ef8baac0af83c37bf1526fb64b0a76357989fc8a6f76 1686204 2018-10-19 17:44:15 (10 minutes ago) 2111 2 1493ad878a7514f45c62c9a07cc12515d281baf57b1770d2a5d6601e2d63280b 1686203 2018-10-19 17:44:03 (10 minutes ago) 2910 2 16d4d4c97b4d1cdf053374ee62fb4f7be357ca5ed339fb3ce150ff96a8d6d35b 1686202 2018-10-19 17:43:54 (10 minutes ago) 143 1 6387f72c34ab910bf9c379311c87fe61352cd36cf246dce50c11b04455656e66 1686201 2018-10-19 17:43:50 (10 minutes ago) 16284 5 85150117f737edf0517a308ff88f98da746ce6855cf39aae9de22d78b31b1586
why not 1 block every 2 min?