Blockchain Info

This page explains the steps used in Drawing with Blockchain blocks. To understand the steps Arena takes to determine the final draw, go through this wizard by clicking on the steps above! You can change the block number by clicking on the edit button next to it or visit the block's official page by clicking on the Etherscan icon.


Blockchain number: 22411288 Edit

Block details: - Verify at Etherscan
Block's hash: 0x255da138891374832a3f9b299a6de512be49a0b533ea5a25910c7d947f0e5380
Previous block's hash: 0xd8a9b4b04f19903e9ab08398a57bf275fc64b62b204aae81bfb5e9e482a9a04d
Block's Nonce is 0, we use StateRoot instead!!!: 0x663f71b22fa363fcfd3a0296c1a65d862c672d1f7815543049df8191ad70d60f

Note: This blockchain number is not used at any UWW organized events.
If this blockchain number was used at an event organized by a National Federation, ask the local secretatiat team to open this Blockchain Info page from the Arena server where the draw was generated to get a complete analysis of this block.
On the next page you can still see the method how the draw numbers were extracted from this block.

Next Step >>

Conversion

At this phase Arena converts the hash values into draw numbers. Since the hash numbers are random and unpredictable, the final number list will also be such a random list.

Step 1

Take the block details and concatenate them as Block's hash + Previous block's hash + Block's Nonce (or StateRoot if Nonce is 0) without the leading "0x" string.

Result: 255da138891374832a3f9b299a6de512be49a0b533ea5a25910c7d947f0e5380 d8a9b4b04f19903e9ab08398a57bf275fc64b62b204aae81bfb5e9e482a9a04d 663f71b22fa363fcfd3a0296c1a65d862c672d1f7815543049df8191ad70d60f

Step 2

Divide this long string by 2 units

25 5d a1 38 89 13 74 83 2a 3f 9b 29 9a 6d e5 12 be 49 a0 b5 33 ea 5a 25 91 0c 7d 94 7f 0e 53 80 d8 a9 b4 b0 4f 19 90 3e 9a b0 83 98 a5 7b f2 75 fc 64 b6 2b 20 4a ae 81 bf b5 e9 e4 82 a9 a0 4d 66 3f 71 b2 2f a3 63 fc fd 3a 02 96 c1 a6 5d 86 2c 67 2d 1f 78 15 54 30 49 df 81 91 ad 70 d6 0f

Step 3

Convert the hexadecimal numbers to decimal ones (eg. 25[hex] => 2 * 16 + 5 = 37[decimal]).
Note: You can verify this via https://www.duplichecker.com/hex-to-decimal.php. Click here to copy the hexadecimal numbers to your clipboard and then paste them into duplichecker's window (text box on the left side).

37 93 161 56 137 19 116 131 42 63 155 41 154 109 229 18 190 73 160 181 51 234 90 37 145 12 125 148 127 14 83 128 216 169 180 176 79 25 144 62 154 176 131 152 165 123 242 117 252 100 182 43 32 74 174 129 191 181 233 228 130 169 160 77 102 63 113 178 47 163 99 252 253 58 2 150 193 166 93 134 44 103 45 31 120 21 84 48 73 223 129 145 173 112 214 15

Step 4

Search for duplicates and drop every other than the first occurrence

37 93 161 56 137 19 116 131 42 63 155 41 154 109 229 18 190 73 160 181 51 234 90 37 145 12 125 148 127 14 83 128 216 169 180 176 79 25 144 62 154 176 131 152 165 123 242 117 252 100 182 43 32 74 174 129 191 181 233 228 130 169 160 77 102 63 113 178 47 163 99 252 253 58 2 150 193 166 93 134 44 103 45 31 120 21 84 48 73 223 129 145 173 112 214 15

The result is: (hover over the numbers below to see their position in the uncleared list)
37 93 161 56 137 19 116 131 42 63 155 41 154 109 229 18 190 73 160 181 51 234 90 145 12 125 148 127 14 83 128 216 169 180 176 79 25 144 62 152 165 123 242 117 252 100 182 43 32 74 174 129 191 233 228 130 77 102 113 178 47 163 99 253 58 2 150 193 166 134 44 103 45 31 120 21 84 48 223 173 112 214 15
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