Trilemma - kukgini/blockchain GitHub Wiki

Description

์ด๋”๋ฆฌ์›€์˜ ์ฐฝ์‹œ์ž ๋น„ํƒˆ๋ฆญ ๋ถ€ํ…Œ๋ฆฐ ์ด ์–ธ๊ธ‰ ํ•˜์˜€๋‹ค.

  • Decentralization ํƒˆ์ค‘์•™ํ™” (defined as the system being able to run in a scenario where each participant only has access to O(c) resources, i.e. a regular laptop or small VPS)
  • Scalability ํ™•์žฅ์„ฑ (defined as being able to process O(n) > O(c) transactions)
  • Security ์•ˆ์ •์„ฑ (defined as being secure against attackers with up to O(n) resources)
https://www.jeffersoncapital.info/wp-content/uploads/2018/07/The-Blockchain-Trilemma.png

ํ˜„์žฌ ์‹œ์ค‘์— ๋‚˜์™€ ์žˆ๋Š” ์•”ํ˜ธํ™”ํ๋“ค์ด ์‚ฌ์šฉํ•˜๋Š” ๋ธ”๋ก์ฒด์ธ์€ ๋Œ€๋ถ€๋ถ„ ์œ„์˜ ์„ธ ๊ผญ์ง€์  ์ค‘์—์„œ ํ•˜๋‚˜ ๋˜๋Š” ์ตœ๋Œ€ ๋‘ ๊ฐœ๊นŒ์ง€ ํ•ด๊ฒฐํ•  ์ˆ˜ ์žˆ๊ณ , ์„ธ ๊ฐ€์ง€๋ฅผ ๋™์‹œ์— ๋งŒ์กฑ์‹œํ‚ค๋Š” ๊ฒƒ์€ ํ˜„์žฌ๋กœ์จ๋Š” ๋ฌผ๋ฆฌ์ ์œผ๋กœ ๋ถˆ๊ฐ€๋Šฅํ•˜๋‹ค๊ณ  ๋ด์•ผ ํ•œ๋‹ค.

๊ฐ€๋ น ๋น„ํŠธ์ฝ”์ธ๊ณผ ์ด๋”๋ฆฌ์›€์€ ๋ถ„์‚ฐํ™”์™€ ๋ณด์•ˆ์„ฑ์— ๋จผ์ € ์ดˆ์ ์„ ๋งž์ถ”๊ณ  ๊ฐœ๋ฐœ์„ ์‹œ์ž‘ํ–ˆ๋Š”๋ฐ, ์‚ฌ์šฉ์ž ์ˆ˜๊ฐ€ ์•„์ฃผ ๋งŽ์€ ์ง€๊ธˆ์— ์™€์„œ๋Š” ํŠธ๋žœ์žญ์…˜ ์ฒ˜๋ฆฌ ์†๋„๊ฐ€ ๋งค์šฐ ๋Š๋ ค์„œ ๋ฌธ์ œ๊ฐ€ ๋˜๊ณ  ์žˆ๋‹ค. ์ด๊ฑธ ์ตœ๋Œ€ํ•œ ๋น ๋ฅด๊ฒŒ ํ•˜๋ ค๋Š” ๋ณด์™„์ฑ…์œผ๋กœ ๋‚˜์˜ค๋Š” ๋ผ์ดํŠธ๋‹ ๋„คํŠธ์›Œํฌ ๊ฐ™์€ ๋ฐฉ๋ฒ•๋“ค์€ ์‚ฌ์‹ค์€ ์†๋„๋ฅผ ์–ป๊ธฐ ์œ„ํ•ด์„œ ์ผ์‹œ์ ์œผ๋กœ ๋ณด์•ˆ์„ ํฌ์ƒ์‹œํ‚ค๋Š” ๊ฒƒ์œผ๋กœ ๋ด์•ผ ํ•œ๋‹ค.

์ตœ๊ทผ ๋ช‡ ๋…„๊ฐ„ ๋ธ”๋ก์ฒด์ธ ๊ด‘ํ’์ด ๋Œ€ํ•™์› ์—ฐ๊ตฌ์‹ค๋“ค์„ ๋ฎ์น˜๊ณ  ์žˆ๊ณ , ์ตœ๊ทผ์—๋Š” ๋ณด์•ˆ์„ ์ „๋ฌธ์œผ๋กœ ํ•˜๋Š” ์—ฐ๊ตฌ์‹ค ๋ง๊ณ ๋„ ๋ธ”๋ก์ฒด์ธ์— ๊ด€์‹ฌ์„ ๊ฐ–๊ธฐ ์‹œ์ž‘ํ•˜๋Š” ์ƒํ™ฉ์ด ๋˜์—ˆ๋‹ค.

๊ธฐ์กด์— ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค๋ฅผ ๊ฐ€์ง€๊ณ  ์ž˜ ์“ฐ๊ณ  ์žˆ๋˜ ์‹œ์Šคํ…œ์— ๋ธ”๋ก์ฒด์ธ์„ ์ง‘์–ด๋„ฃ์–ด์„œ ์–ด๋–ป๊ฒŒ ํ•ด ๋ณด๋ ค๋Š” ์‹œ๋„๊ฐ€ ๋งŽ์ด ๋˜๊ณ  ์žˆ๋Š”๋ฐ, ์‚ฌ์‹ค ๋งˆ๋ƒฅ ๋ธ”๋ก์ฒด์ธ์„ ์ง‘์–ด๋„ฃ๊ธฐ๋งŒ ํ•˜๋ฉด ๊ตฌํ˜„์€ ํ•  ์ˆ˜ ์žˆ์„์ง€์–ธ์ • ๊ทธ๊ฒŒ ์ง„์งœ ๋ฌด์Šจ ์˜๋ฏธ๋ฅผ ๊ฐ–๋Š”์ง€๋Š” ๊ณ ๋ฏผ์„ ํ•ด ๋ด์•ผ ํ•œ๋‹ค.

๊ธฐ์กด์— ํ•˜๋‚˜์˜ ์„œ๋ฒ„์— ์ €์žฅํ•˜๊ณ  ์žˆ๋˜ ์ •๋ณด๋ฅผ ๋ธ”๋ก์ฒด์ธ์— ๊ธฐ๋กํ•˜๊ฒ ๋‹ค๋Š” ๋ชฉํ‘œ ํ•˜๋‚˜๋งŒ ๊ฐ€์ง€๊ณ  ๋‹ฌ๋ ค๋“ค๋ฉด, ์ด๊ฑธ ๋˜ ๋ฏธ๋ฆฌ ์Šน์ธ๋œ ์žฅ๋น„๋“ค์„ ๊ฐ€์ •ํ•˜๊ณ ์„œ ๊ทธ๋“ค๋ผ๋ฆฌ๋งŒ ํ•ฉ์˜ํ•  ์ˆ˜ ์žˆ๋„๋ก ๋งŒ๋“ค๊ฒŒ ๋œ๋‹ค๋ฉด (ํ”„๋ผ์ด๋น— ๋ธ”๋ก์ฒด์ธ), ๊ณผ์—ฐ ๊ทธ๊ฒŒ ์ง€๋‚œ ์˜ค๋žœ ์„ธ์›” ๋™์•ˆ ์—ฐ๊ตฌํ•ด ์˜จ "๋ถ„์‚ฐ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค"์— ๋น„ํ•ด์„œ ๋ฌด์—‡์ด ๋” ์ข‹๋‹ค๊ณ  ๋งํ•  ์ˆ˜ ์žˆ์„๊นŒ? ๊ทผ๋ณธ์ ์ธ ์ธก๋ฉด์—์„œ ๊ณ ๋ฏผ์„ ํ•ด ๋ณด๊ณ , ํŠธ๋ฆด๋ ˆ๋งˆ ์ค‘์—์„œ ๋‹ฌ์„ฑ ๋ถˆ๊ฐ€๋Šฅํ•œ ํ•œ ๊ผญ์ง€๋ฅผ ํฌ๊ธฐํ•˜๊ธฐ๋กœ ๊ฒฐ์ •ํ–ˆ๋‹ค๋ฉด ๋…ผ๋ฌธ์„ ์“ธ ๋•Œ ๊ทธ ํฌ๊ธฐํ•œ ์˜์—ญ์œผ๋กœ ์–ด๋–ป๊ฒŒ ํ•ด ๋ณด๋ ค๋Š” ์‹œ๋„๋ฅผ ํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹Œ์ง€ ์กฐ์‹ฌ์Šค๋Ÿฝ๊ฒŒ ์ƒ๊ฐํ•ด์•ผ ํ•œ๋‹ค.

References

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