# Deboard Entry Key

The DE-Key is a distinct, non-replicable token (NFT) essential for operating a DE-Node within the Deboard network. This license acts as a certification of a node's qualification to lodge claims and earn rewards. It is created by transferring a specific quantity of Ether, with its minting price governed by a progressively increasing threshold system.

The Node License is pivotal in the Referee contract's framework. To submit an assertion in response to a challenge, a node must present its DE-Key ID. The Referee contract verifies the legitimacy of the DE-Key and whether the node is the DE-Key's owner or an authorized operator. If these criteria are satisfied, the node's assertion is accepted for the challenge.

<figure><img src="https://227004896-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FY0lZOOwi8lb7Yy2oMySH%2Fuploads%2FU2fj0MFz0wvuEM3Kot3j%2Fimage.png?alt=media&#x26;token=695d2200-2963-442e-8954-dc60cd50b75e" alt=""><figcaption></figcaption></figure>

In essence, the DE-Key is a fundamental element within the Deboard network that controls the operation of DE-Nodes, the submission of assertions, and the allocation of rewards.

<table><thead><tr><th width="139">Tier</th><th>ETH cost</th><th>Quantity</th><th>Implied FDV*</th></tr></thead><tbody><tr><td>1</td><td>0,039</td><td>3000</td><td>$427.050</td></tr><tr><td>2</td><td>0,049</td><td>2900</td><td>$945.715</td></tr><tr><td>3</td><td>0,059</td><td>2800</td><td>$1.548.695</td></tr><tr><td>4</td><td>0,069</td><td>2700</td><td>$2.228.690</td></tr><tr><td>5</td><td>0,079</td><td>2600</td><td>$2.231.290</td></tr><tr><td>6</td><td>0,089</td><td>2500</td><td>$3.043.415</td></tr><tr><td>7</td><td>0,099</td><td>2400</td><td>$3.910.655</td></tr><tr><td>8</td><td>0,109</td><td>2300</td><td>$4.825.710</td></tr><tr><td>9</td><td>0,119</td><td>2200</td><td>$5.781.280</td></tr><tr><td>10</td><td>0,129</td><td>2100</td><td>$6.770.065</td></tr><tr><td>11</td><td>0,139</td><td>2000</td><td>$7.784.765</td></tr><tr><td>12</td><td>0,149</td><td>1900</td><td>$8.818.080</td></tr><tr><td>13</td><td>0,159</td><td>1800</td><td>$9.862.710</td></tr><tr><td>14</td><td>0,169</td><td>1700</td><td>$10.911.355</td></tr><tr><td>15</td><td>0,179</td><td>1600</td><td>$11.956.715</td></tr><tr><td>16</td><td>0,189</td><td>1500</td><td>$12.991.490</td></tr><tr><td>17</td><td>0,199</td><td>1400</td><td>$14.008.380</td></tr><tr><td>18</td><td>0,209</td><td>1300</td><td>$15.000.085</td></tr><tr><td>19</td><td>0,219</td><td>1200</td><td>$15.959.305</td></tr><tr><td>20</td><td>0,229</td><td>1100</td><td>$16.878.740</td></tr></tbody></table>

\*Taking into account the ETH price of $3,650 (Please be aware that the DE-key price remains fixed in ETH, while the AVAX price is subject to change based on fluctuations in the ETH price).
