https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-May/016994.html
Udp -상관없는글 https://bitcoin.stackexchange.com/questions/79167/why-doesn-t-bitcoin-use-udp-to-do-blockpropagation
Blockstream minisketch https://github.com/sipa/minisketch
Dandelion
스케치란 원본 데이터의 특정 특성을 계산하거나 근사할수 있는 작은 데이터 구조,
Commonly used data sketches include k-minimum value, hyper-log-log summaries, Bloom filters, count-min, dp-means or k-means clusters and the t-digest.